| PDX Collection 0964 (continued) |
| O99841 | Bariatric surgery status complicating pregnancy, first trimester |
| O99842 | Bariatric surgery status complicating pregnancy, second trimester |
| O99843 | Bariatric surgery status complicating pregnancy, third trimester |
| O99844 | Bariatric surgery status complicating childbirth |
| O99845 | Bariatric surgery status complicating the puerperium |
| O9A111 | Malignant neoplasm complicating pregnancy, first trimester |
| O9A112 | Malignant neoplasm complicating pregnancy, second trimester |
| O9A113 | Malignant neoplasm complicating pregnancy, third trimester |
| O9A119 | Malignant neoplasm complicating pregnancy, unspecified trimester |
| O9A12 | Malignant neoplasm complicating childbirth |
| O9A13 | Malignant neoplasm complicating the puerperium |
| O9A211 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, first trimester |
| O9A212 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, second trimester |
| O9A213 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, third trimester |
| O9A219 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, unspecified trimester |
| O9A22 | Injury, poisoning and certain other consequences of external causes complicating childbirth |
| O9A23 | Injury, poisoning and certain other consequences of external causes complicating the puerperium |
| O9A311 | Physical abuse complicating pregnancy, first trimester |
| O9A312 | Physical abuse complicating pregnancy, second trimester |
| O9A313 | Physical abuse complicating pregnancy, third trimester |
| O9A319 | Physical abuse complicating pregnancy, unspecified trimester |
| O9A32 | Physical abuse complicating childbirth |
| O9A33 | Physical abuse complicating the puerperium |
| O9A411 | Sexual abuse complicating pregnancy, first trimester |
| O9A412 | Sexual abuse complicating pregnancy, second trimester |
| O9A413 | Sexual abuse complicating pregnancy, third trimester |
| O9A419 | Sexual abuse complicating pregnancy, unspecified trimester |
| O9A42 | Sexual abuse complicating childbirth |
| O9A43 | Sexual abuse complicating the puerperium |
| O9A511 | Psychological abuse complicating pregnancy, first trimester |
| O9A512 | Psychological abuse complicating pregnancy, second trimester |
| O9A513 | Psychological abuse complicating pregnancy, third trimester |
| O9A519 | Psychological abuse complicating pregnancy, unspecified trimester |
| O9A52 | Psychological abuse complicating childbirth |
| O9A53 | Psychological abuse complicating the puerperium |
| |
| PDX Collection 0965 |
| O115 | Pre-existing hypertension with pre-eclampsia, complicating the puerperium |
| O1205 | Gestational edema, complicating the puerperium |
| O1211 | Gestational proteinuria, first trimester |
| O1212 | Gestational proteinuria, second trimester |
| O1213 | Gestational proteinuria, third trimester |
| O1215 | Gestational proteinuria, complicating the puerperium |
| O1221 | Gestational edema with proteinuria, first trimester |
| O1222 | Gestational edema with proteinuria, second trimester |
| O1223 | Gestational edema with proteinuria, third trimester |
| O1225 | Gestational edema with proteinuria, complicating the puerperium |
| O135 | Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating the puerperium |
| O1405 | Mild to moderate pre-eclampsia, complicating the puerperium |
| O1415 | Severe pre-eclampsia, complicating the puerperium |
| O1425 | HELLP syndrome, complicating the puerperium |
| O1495 | Unspecified pre-eclampsia, complicating the puerperium |
| O165 | Unspecified maternal hypertension, complicating the puerperium |
| O26831 | Pregnancy related renal disease, first trimester |
| O26832 | Pregnancy related renal disease, second trimester |
| O26833 | Pregnancy related renal disease, third trimester |
| O9089 | Other complications of the puerperium, not elsewhere classified |
| |
| PDX Collection 0969 |
| O114 | Pre-existing hypertension with pre-eclampsia, complicating childbirth |
| O115 | Pre-existing hypertension with pre-eclampsia, complicating the puerperium |
| O1204 | Gestational edema, complicating childbirth |
| O1205 | Gestational edema, complicating the puerperium |
| O1214 | Gestational proteinuria, complicating childbirth |
| O1215 | Gestational proteinuria, complicating the puerperium |
| O1224 | Gestational edema with proteinuria, complicating childbirth |
| O1225 | Gestational edema with proteinuria, complicating the puerperium |
| O134 | Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating childbirth |
| O135 | Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating the puerperium |
| O1404 | Mild to moderate pre-eclampsia, complicating childbirth |
| O1405 | Mild to moderate pre-eclampsia, complicating the puerperium |
| O1414 | Severe pre-eclampsia complicating childbirth |
| O1415 | Severe pre-eclampsia, complicating the puerperium |
| O1424 | HELLP syndrome, complicating childbirth |
| O1425 | HELLP syndrome, complicating the puerperium |
| O1494 | Unspecified pre-eclampsia, complicating childbirth |
| O1495 | Unspecified pre-eclampsia, complicating the puerperium |
| O164 | Unspecified maternal hypertension, complicating childbirth |
| O165 | Unspecified maternal hypertension, complicating the puerperium |
| O24011 | Pre-existing type 1 diabetes mellitus, in pregnancy, first trimester |
| O24012 | Pre-existing type 1 diabetes mellitus, in pregnancy, second trimester |
| O24013 | Pre-existing type 1 diabetes mellitus, in pregnancy, third trimester |
| O24019 | Pre-existing type 1 diabetes mellitus, in pregnancy, unspecified trimester |
| O2402 | Pre-existing type 1 diabetes mellitus, in childbirth |
| O2403 | Pre-existing type 1 diabetes mellitus, in the puerperium |
| O24111 | Pre-existing type 2 diabetes mellitus, in pregnancy, first trimester |
| O24112 | Pre-existing type 2 diabetes mellitus, in pregnancy, second trimester |
| O24113 | Pre-existing type 2 diabetes mellitus, in pregnancy, third trimester |
| O24119 | Pre-existing type 2 diabetes mellitus, in pregnancy, unspecified trimester |
| O2412 | Pre-existing type 2 diabetes mellitus, in childbirth |
| O2413 | Pre-existing type 2 diabetes mellitus, in the puerperium |
| O24311 | Unspecified pre-existing diabetes mellitus in pregnancy, first trimester |
| O24312 | Unspecified pre-existing diabetes mellitus in pregnancy, second trimester |
| O24313 | Unspecified pre-existing diabetes mellitus in pregnancy, third trimester |
| O24319 | Unspecified pre-existing diabetes mellitus in pregnancy, unspecified trimester |
| O2432 | Unspecified pre-existing diabetes mellitus in childbirth |
| O2433 | Unspecified pre-existing diabetes mellitus in the puerperium |
| O24811 | Other pre-existing diabetes mellitus in pregnancy, first trimester |
| O24812 | Other pre-existing diabetes mellitus in pregnancy, second trimester |
| O24813 | Other pre-existing diabetes mellitus in pregnancy, third trimester |
| O24819 | Other pre-existing diabetes mellitus in pregnancy, unspecified trimester |
| O2482 | Other pre-existing diabetes mellitus in childbirth |
| O2483 | Other pre-existing diabetes mellitus in the puerperium |
| O24911 | Unspecified diabetes mellitus in pregnancy, first trimester |
| O24912 | Unspecified diabetes mellitus in pregnancy, second trimester |
| O24913 | Unspecified diabetes mellitus in pregnancy, third trimester |
| O24919 | Unspecified diabetes mellitus in pregnancy, unspecified trimester |
| O2492 | Unspecified diabetes mellitus in childbirth |
| O2493 | Unspecified diabetes mellitus in the puerperium |
| O2510 | Malnutrition in pregnancy, unspecified trimester |
| O2511 | Malnutrition in pregnancy, first trimester |
| O2512 | Malnutrition in pregnancy, second trimester |
| O2513 | Malnutrition in pregnancy, third trimester |
| O252 | Malnutrition in childbirth |
| O253 | Malnutrition in the puerperium |
| O2610 | Low weight gain in pregnancy, unspecified trimester |
| O2611 | Low weight gain in pregnancy, first trimester |
| O2612 | Low weight gain in pregnancy, second trimester |
| O2613 | Low weight gain in pregnancy, third trimester |
| O2630 | Retained intrauterine contraceptive device in pregnancy, unspecified trimester |
| O2631 | Retained intrauterine contraceptive device in pregnancy, first trimester |
| O2632 | Retained intrauterine contraceptive device in pregnancy, second trimester |
| O2633 | Retained intrauterine contraceptive device in pregnancy, third trimester |
| O2640 | Herpes gestationis, unspecified trimester |
| O2641 | Herpes gestationis, first trimester |
| O2642 | Herpes gestationis, second trimester |
| O2643 | Herpes gestationis, third trimester |
| O2663 | Liver and biliary tract disorders in the puerperium |
| O26711 | Subluxation of symphysis (pubis) in pregnancy, first trimester |
| O26712 | Subluxation of symphysis (pubis) in pregnancy, second trimester |
| O26713 | Subluxation of symphysis (pubis) in pregnancy, third trimester |
| O26719 | Subluxation of symphysis (pubis) in pregnancy, unspecified trimester |
| O2672 | Subluxation of symphysis (pubis) in childbirth |
| O2673 | Subluxation of symphysis (pubis) in the puerperium |
| O26811 | Pregnancy related exhaustion and fatigue, first trimester |
| O26812 | Pregnancy related exhaustion and fatigue, second trimester |
| O26813 | Pregnancy related exhaustion and fatigue, third trimester |
| O26819 | Pregnancy related exhaustion and fatigue, unspecified trimester |
| O26841 | Uterine size-date discrepancy, first trimester |
| O26842 | Uterine size-date discrepancy, second trimester |
| O26843 | Uterine size-date discrepancy, third trimester |
| O26849 | Uterine size-date discrepancy, unspecified trimester |
| O26851 | Spotting complicating pregnancy, first trimester |
| O26852 | Spotting complicating pregnancy, second trimester |
| O26853 | Spotting complicating pregnancy, third trimester |
| O26859 | Spotting complicating pregnancy, unspecified trimester |
| O2686 | Pruritic urticarial papules and plaques of pregnancy (PUPPP) |
| O26891 | Other specified pregnancy related conditions, first trimester |
| O26892 | Other specified pregnancy related conditions, second trimester |
| O26893 | Other specified pregnancy related conditions, third trimester |
| O26899 | Other specified pregnancy related conditions, unspecified trimester |
| O2690 | Pregnancy related conditions, unspecified, unspecified trimester |
| O2691 | Pregnancy related conditions, unspecified, first trimester |
| O2692 | Pregnancy related conditions, unspecified, second trimester |
| O2693 | Pregnancy related conditions, unspecified, third trimester |
| O29011 | Aspiration pneumonitis due to anesthesia during pregnancy, first trimester |
| O29012 | Aspiration pneumonitis due to anesthesia during pregnancy, second trimester |
| O29013 | Aspiration pneumonitis due to anesthesia during pregnancy, third trimester |
| O29019 | Aspiration pneumonitis due to anesthesia during pregnancy, unspecified trimester |
| O29021 | Pressure collapse of lung due to anesthesia during pregnancy, first trimester |
| O29022 | Pressure collapse of lung due to anesthesia during pregnancy, second trimester |
| O29023 | Pressure collapse of lung due to anesthesia during pregnancy, third trimester |
| O29029 | Pressure collapse of lung due to anesthesia during pregnancy, unspecified trimester |
| O29091 | Other pulmonary complications of anesthesia during pregnancy, first trimester |
| O29092 | Other pulmonary complications of anesthesia during pregnancy, second trimester |
| O29093 | Other pulmonary complications of anesthesia during pregnancy, third trimester |
| O29099 | Other pulmonary complications of anesthesia during pregnancy, unspecified trimester |
| O29111 | Cardiac arrest due to anesthesia during pregnancy, first trimester |
| O29112 | Cardiac arrest due to anesthesia during pregnancy, second trimester |
| O29113 | Cardiac arrest due to anesthesia during pregnancy, third trimester |
| O29119 | Cardiac arrest due to anesthesia during pregnancy, unspecified trimester |
| O29121 | Cardiac failure due to anesthesia during pregnancy, first trimester |
| O29122 | Cardiac failure due to anesthesia during pregnancy, second trimester |
| O29123 | Cardiac failure due to anesthesia during pregnancy, third trimester |
| O29129 | Cardiac failure due to anesthesia during pregnancy, unspecified trimester |
| O29191 | Other cardiac complications of anesthesia during pregnancy, first trimester |
| O29192 | Other cardiac complications of anesthesia during pregnancy, second trimester |
| O29193 | Other cardiac complications of anesthesia during pregnancy, third trimester |
| O29199 | Other cardiac complications of anesthesia during pregnancy, unspecified trimester |
| O29211 | Cerebral anoxia due to anesthesia during pregnancy, first trimester |
| O29212 | Cerebral anoxia due to anesthesia during pregnancy, second trimester |
| O29213 | Cerebral anoxia due to anesthesia during pregnancy, third trimester |
| O29219 | Cerebral anoxia due to anesthesia during pregnancy, unspecified trimester |
| O29291 | Other central nervous system complications of anesthesia during pregnancy, first trimester |
| O29292 | Other central nervous system complications of anesthesia during pregnancy, second trimester |
| O29293 | Other central nervous system complications of anesthesia during pregnancy, third trimester |
| O29299 | Other central nervous system complications of anesthesia during pregnancy, unspecified trimester |
| O293X1 | Toxic reaction to local anesthesia during pregnancy, first trimester |
| O293X2 | Toxic reaction to local anesthesia during pregnancy, second trimester |
| O293X3 | Toxic reaction to local anesthesia during pregnancy, third trimester |
| O293X9 | Toxic reaction to local anesthesia during pregnancy, unspecified trimester |
| O2940 | Spinal and epidural anesthesia induced headache during pregnancy, unspecified trimester |
| O2941 | Spinal and epidural anesthesia induced headache during pregnancy, first trimester |
| O2942 | Spinal and epidural anesthesia induced headache during pregnancy, second trimester |
| O2943 | Spinal and epidural anesthesia induced headache during pregnancy, third trimester |
| O295X1 | Other complications of spinal and epidural anesthesia during pregnancy, first trimester |
| O295X2 | Other complications of spinal and epidural anesthesia during pregnancy, second trimester |
| O295X3 | Other complications of spinal and epidural anesthesia during pregnancy, third trimester |
| O295X9 | Other complications of spinal and epidural anesthesia during pregnancy, unspecified trimester |
| O2960 | Failed or difficult intubation for anesthesia during pregnancy, unspecified trimester |
| O2961 | Failed or difficult intubation for anesthesia during pregnancy, first trimester |
| O2962 | Failed or difficult intubation for anesthesia during pregnancy, second trimester |
| O2963 | Failed or difficult intubation for anesthesia during pregnancy, third trimester |
| O298X1 | Other complications of anesthesia during pregnancy, first trimester |
| O298X2 | Other complications of anesthesia during pregnancy, second trimester |
| O298X3 | Other complications of anesthesia during pregnancy, third trimester |
| O298X9 | Other complications of anesthesia during pregnancy, unspecified trimester |
| O2990 | Unspecified complication of anesthesia during pregnancy, unspecified trimester |
| O2991 | Unspecified complication of anesthesia during pregnancy, first trimester |
| O2992 | Unspecified complication of anesthesia during pregnancy, second trimester |
| O2993 | Unspecified complication of anesthesia during pregnancy, third trimester |
| O357XX0 | Maternal care for (suspected) damage to fetus by other medical procedures, not applicable or unspecified |
| O357XX1 | Maternal care for (suspected) damage to fetus by other medical procedures, fetus 1 |
| O357XX2 | Maternal care for (suspected) damage to fetus by other medical procedures, fetus 2 |
| O357XX3 | Maternal care for (suspected) damage to fetus by other medical procedures, fetus 3 |
| O357XX4 | Maternal care for (suspected) damage to fetus by other medical procedures, fetus 4 |
| O357XX5 | Maternal care for (suspected) damage to fetus by other medical procedures, fetus 5 |
| O357XX9 | Maternal care for (suspected) damage to fetus by other medical procedures, other fetus |
| O754 | Other complications of obstetric surgery and procedures |
| O7581 | Maternal exhaustion complicating labor and delivery |
| O7589 | Other specified complications of labor and delivery |
| O759 | Complication of labor and delivery, unspecified |
| O80 | Encounter for full-term uncomplicated delivery |
| O9089 | Other complications of the puerperium, not elsewhere classified |
| O99111 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, first trimester |
| O99112 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, second trimester |
| O99113 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, third trimester |
| O99119 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, unspecified trimester |
| O9912 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating childbirth |
| O9913 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating the puerperium |
| O99210 | Obesity complicating pregnancy, unspecified trimester |
| O99211 | Obesity complicating pregnancy, first trimester |
| O99212 | Obesity complicating pregnancy, second trimester |
| O99213 | Obesity complicating pregnancy, third trimester |
| O99214 | Obesity complicating childbirth |
| O99215 | Obesity complicating the puerperium |
| O99280 | Endocrine, nutritional and metabolic diseases complicating pregnancy, unspecified trimester |
| O99281 | Endocrine, nutritional and metabolic diseases complicating pregnancy, first trimester |
| O99282 | Endocrine, nutritional and metabolic diseases complicating pregnancy, second trimester |
| O99283 | Endocrine, nutritional and metabolic diseases complicating pregnancy, third trimester |
| O99284 | Endocrine, nutritional and metabolic diseases complicating childbirth |
| O99285 | Endocrine, nutritional and metabolic diseases complicating the puerperium |
| O99330 | Smoking (tobacco) complicating pregnancy, unspecified trimester |
| O99331 | Smoking (tobacco) complicating pregnancy, first trimester |
| O99332 | Smoking (tobacco) complicating pregnancy, second trimester |
| O99333 | Smoking (tobacco) complicating pregnancy, third trimester |
| O99334 | Smoking (tobacco) complicating childbirth |
| O99335 | Smoking (tobacco) complicating the puerperium |
| O99350 | Diseases of the nervous system complicating pregnancy, unspecified trimester |
| O99351 | Diseases of the nervous system complicating pregnancy, first trimester |
| O99352 | Diseases of the nervous system complicating pregnancy, second trimester |
| O99353 | Diseases of the nervous system complicating pregnancy, third trimester |
| O99354 | Diseases of the nervous system complicating childbirth |
| O99355 | Diseases of the nervous system complicating the puerperium |
| O99511 | Diseases of the respiratory system complicating pregnancy, first trimester |
| O99512 | Diseases of the respiratory system complicating pregnancy, second trimester |
| O99513 | Diseases of the respiratory system complicating pregnancy, third trimester |
| O99519 | Diseases of the respiratory system complicating pregnancy, unspecified trimester |
| O9952 | Diseases of the respiratory system complicating childbirth |
| O9953 | Diseases of the respiratory system complicating the puerperium |
| O99611 | Diseases of the digestive system complicating pregnancy, first trimester |
| O99612 | Diseases of the digestive system complicating pregnancy, second trimester |
| O99613 | Diseases of the digestive system complicating pregnancy, third trimester |
| O99619 | Diseases of the digestive system complicating pregnancy, unspecified trimester |
| O9962 | Diseases of the digestive system complicating childbirth |
| O9963 | Diseases of the digestive system complicating the puerperium |
| O99711 | Diseases of the skin and subcutaneous tissue complicating pregnancy, first trimester |
| O99712 | Diseases of the skin and subcutaneous tissue complicating pregnancy, second trimester |
| O99713 | Diseases of the skin and subcutaneous tissue complicating pregnancy, third trimester |
| O99719 | Diseases of the skin and subcutaneous tissue complicating pregnancy, unspecified trimester |
| O9972 | Diseases of the skin and subcutaneous tissue complicating childbirth |
| O9973 | Diseases of the skin and subcutaneous tissue complicating the puerperium |
| O99820 | Streptococcus B carrier state complicating pregnancy |
| O99824 | Streptococcus B carrier state complicating childbirth |
| O99825 | Streptococcus B carrier state complicating the puerperium |
| O99840 | Bariatric surgery status complicating pregnancy, unspecified trimester |
| O99841 | Bariatric surgery status complicating pregnancy, first trimester |
| O99842 | Bariatric surgery status complicating pregnancy, second trimester |
| O99843 | Bariatric surgery status complicating pregnancy, third trimester |
| O99844 | Bariatric surgery status complicating childbirth |
| O99845 | Bariatric surgery status complicating the puerperium |
| O9A111 | Malignant neoplasm complicating pregnancy, first trimester |
| O9A112 | Malignant neoplasm complicating pregnancy, second trimester |
| O9A113 | Malignant neoplasm complicating pregnancy, third trimester |
| O9A119 | Malignant neoplasm complicating pregnancy, unspecified trimester |
| O9A12 | Malignant neoplasm complicating childbirth |
| O9A13 | Malignant neoplasm complicating the puerperium |
| O9A211 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, first trimester |
| O9A212 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, second trimester |
| O9A213 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, third trimester |
| O9A219 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, unspecified trimester |
| O9A22 | Injury, poisoning and certain other consequences of external causes complicating childbirth |
| O9A23 | Injury, poisoning and certain other consequences of external causes complicating the puerperium |
| O9A311 | Physical abuse complicating pregnancy, first trimester |
| O9A312 | Physical abuse complicating pregnancy, second trimester |
| O9A313 | Physical abuse complicating pregnancy, third trimester |
| O9A319 | Physical abuse complicating pregnancy, unspecified trimester |
| O9A32 | Physical abuse complicating childbirth |
| O9A33 | Physical abuse complicating the puerperium |
| O9A411 | Sexual abuse complicating pregnancy, first trimester |
| O9A412 | Sexual abuse complicating pregnancy, second trimester |
| O9A413 | Sexual abuse complicating pregnancy, third trimester |
| O9A419 | Sexual abuse complicating pregnancy, unspecified trimester |
| O9A42 | Sexual abuse complicating childbirth |
| O9A43 | Sexual abuse complicating the puerperium |
| O9A511 | Psychological abuse complicating pregnancy, first trimester |
| O9A512 | Psychological abuse complicating pregnancy, second trimester |
| O9A513 | Psychological abuse complicating pregnancy, third trimester |
| O9A519 | Psychological abuse complicating pregnancy, unspecified trimester |
| O9A52 | Psychological abuse complicating childbirth |
| O9A53 | Psychological abuse complicating the puerperium |
| |
| PDX Collection 0973 |
| O26872 | Cervical shortening, second trimester |
| O26873 | Cervical shortening, third trimester |
| O26879 | Cervical shortening, unspecified trimester |
| O3431 | Maternal care for cervical incompetence, first trimester |
| O3432 | Maternal care for cervical incompetence, second trimester |
| O3433 | Maternal care for cervical incompetence, third trimester |
| |
| PDX Collection 0976 |
| O30001 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester |
| O30002 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester |
| O30003 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester |
| O30009 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester |
| O30011 | Twin pregnancy, monochorionic/monoamniotic, first trimester |
| O30012 | Twin pregnancy, monochorionic/monoamniotic, second trimester |
| O30013 | Twin pregnancy, monochorionic/monoamniotic, third trimester |
| O30019 | Twin pregnancy, monochorionic/monoamniotic, unspecified trimester |
| O30031 | Twin pregnancy, monochorionic/diamniotic, first trimester |
| O30032 | Twin pregnancy, monochorionic/diamniotic, second trimester |
| O30033 | Twin pregnancy, monochorionic/diamniotic, third trimester |
| O30039 | Twin pregnancy, monochorionic/diamniotic, unspecified trimester |
| O30041 | Twin pregnancy, dichorionic/diamniotic, first trimester |
| O30042 | Twin pregnancy, dichorionic/diamniotic, second trimester |
| O30043 | Twin pregnancy, dichorionic/diamniotic, third trimester |
| O30049 | Twin pregnancy, dichorionic/diamniotic, unspecified trimester |
| O30091 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester |
| O30092 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester |
| O30093 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester |
| O30099 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester |
| O30101 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester |
| O30102 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester |
| O30103 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester |
| O30109 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester |
| O30111 | Triplet pregnancy with two or more monochorionic fetuses, first trimester |
| O30112 | Triplet pregnancy with two or more monochorionic fetuses, second trimester |
| O30113 | Triplet pregnancy with two or more monochorionic fetuses, third trimester |
| O30119 | Triplet pregnancy with two or more monochorionic fetuses, unspecified trimester |
| O30121 | Triplet pregnancy with two or more monoamniotic fetuses, first trimester |
| O30122 | Triplet pregnancy with two or more monoamniotic fetuses, second trimester |
| O30123 | Triplet pregnancy with two or more monoamniotic fetuses, third trimester |
| O30129 | Triplet pregnancy with two or more monoamniotic fetuses, unspecified trimester |
| O30131 | Triplet pregnancy, trichorionic/triamniotic, first trimester |
| O30132 | Triplet pregnancy, trichorionic/triamniotic, second trimester |
| O30133 | Triplet pregnancy, trichorionic/triamniotic, third trimester |
| O30139 | Triplet pregnancy, trichorionic/triamniotic, unspecified trimester |
| O30191 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester |
| O30192 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester |
| O30193 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester |
| O30199 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester |
| O30201 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester |
| O30202 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester |
| O30203 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester |
| O30209 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester |
| O30211 | Quadruplet pregnancy with two or more monochorionic fetuses, first trimester |
| O30212 | Quadruplet pregnancy with two or more monochorionic fetuses, second trimester |
| O30213 | Quadruplet pregnancy with two or more monochorionic fetuses, third trimester |
| O30219 | Quadruplet pregnancy with two or more monochorionic fetuses, unspecified trimester |
| O30221 | Quadruplet pregnancy with two or more monoamniotic fetuses, first trimester |
| O30222 | Quadruplet pregnancy with two or more monoamniotic fetuses, second trimester |
| O30223 | Quadruplet pregnancy with two or more monoamniotic fetuses, third trimester |
| O30229 | Quadruplet pregnancy with two or more monoamniotic fetuses, unspecified trimester |
| O30231 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, first trimester |
| O30232 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, second trimester |
| O30233 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, third trimester |
| O30239 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, unspecified trimester |
| O30291 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester |
| O30292 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester |
| O30293 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester |
| O30299 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester |
| O30801 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, first trimester |
| O30802 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, second trimester |
| O30803 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, third trimester |
| O30809 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester |
| O30811 | Other specified multiple gestation with two or more monochorionic fetuses, first trimester |
| O30812 | Other specified multiple gestation with two or more monochorionic fetuses, second trimester |
| O30813 | Other specified multiple gestation with two or more monochorionic fetuses, third trimester |
| O30819 | Other specified multiple gestation with two or more monochorionic fetuses, unspecified trimester |
| O30821 | Other specified multiple gestation with two or more monoamniotic fetuses, first trimester |
| O30822 | Other specified multiple gestation with two or more monoamniotic fetuses, second trimester |
| O30823 | Other specified multiple gestation with two or more monoamniotic fetuses, third trimester |
| O30829 | Other specified multiple gestation with two or more monoamniotic fetuses, unspecified trimester |
| O30831 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, first trimester |
| O30832 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, second trimester |
| O30833 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, third trimester |
| O30839 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, unspecified trimester |
| O30891 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, first trimester |
| O30892 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, second trimester |
| O30893 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, third trimester |
| O30899 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, unspecified trimester |
| O3090 | Multiple gestation, unspecified, unspecified trimester |
| O3091 | Multiple gestation, unspecified, first trimester |
| O3092 | Multiple gestation, unspecified, second trimester |
| O3093 | Multiple gestation, unspecified, third trimester |
| O3110X0 | Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, not applicable or unspecified |
| O3110X1 | Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, fetus 1 |
| O3110X2 | Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, fetus 2 |
| O3110X3 | Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, fetus 3 |
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