ICD-10-CM/PCS MS-DRG v39.1 Definitions Manual
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MDC 01 Diseases and disorders of the nervous system

MDC 01 Assignment of Diagnosis Codes

Surgical DRGs. O.R.Procedure of ...

Intracranial vascular procedures with principal diagnosis hemorrhage
MCC CC DRG
Yes n/a 020
No Yes 021
No No 022

Craniotomy with major device implant or acute complex CNS principal diagnosis
Major Device Implant or Acute Complex CNS PDX Chemotherapy Implant PDX Epilepsy w/ Neurostim MCC DRG
Yes No n/a 023
Yes No No Yes 023
No Yes n/a 023
Yes No No No 024

Craniotomy and endovascular intracranial procedures
MCC CC DRG
Yes No 025
No Yes 026
No No 027

Spinal procedures
MCC CC Spinal Neurostimulator Combinations DRG
Yes n/a n/a 028
No Yes n/a 029
No No Yes 029
No No No 030

Ventricular shunt procedures
MCC CC DRG
Yes n/a 031
No Yes 032
No No 033

Carotid artery stent procedures
MCC CC DRG
Yes n/a 034
No Yes 035
No No 036

Extracranial procedures
MCC CC DRG
Yes n/a 037
No Yes 038
No No 039

Peripheral, cranial nerve and other nervous system procedures
MCC CC Peripheral Neurostimulator Combinations DRG
Yes n/a n/a 040
No Yes n/a 041
No No Yes 041
No No No 042

Medical DRGs. Principal Diagnosis of ...


Spinal disorders and injuries
CC or MCC DRG
Yes 052
No 053

Nervous system neoplasms
MCC DRG
Yes 054
No 055

Degenerative nervous system disorders
MCC DRG
Yes 056
No 057

Multiple sclerosis and cerebellar ataxia
MCC CC DRG
Yes n/a 058
No Yes 059
No No 060

Ischemic stroke, precerebral occlusion or transient ischemia with thrombolytic agent
MCC CC DRG
Yes n/a 061
No Yes 062
No No 063

Intracranial hemorrhage or cerebral infarction
MCC CC tPA in 24 hrs DRG
Yes n/a n/a 064
No Yes n/a 065
No No Yes 065
No No No 066

Nonspecific CVA and precerebral occlusion without infarction
MCC DRG
Yes 067
No 068

Transient ischemia without thrombolytic
DRG
069

Nonspecific cerebrovascular disorders
MCC CC DRG
Yes n/a 070
No Yes 071
No No 072

Cranial and peripheral nerve disorders
MCC DRG
Yes 073
No 074

Viral meningitis
CC or MCC DRG
Yes 075
No 076

Hypertensive encephalopathy
MCC CC DRG
Yes n/a 077
No Yes 078
No No 079

Nontraumatic stupor and coma
MCC DRG
Yes 080
No 081

Traumatic stupor and coma >1 hour
MCC CC DRG
Yes n/a 082
No Yes 083
No No 084

Traumatic stupor and coma <1 hour
MCC CC DRG
Yes n/a 085
No Yes 086
No No 087

Concussion
MCC CC DRG
Yes n/a 088
No Yes 089
No No 090

Other disorders of nervous system
MCC CC DRG
Yes n/a 091
No Yes 092
No No 093

Bacterial and tuberculous infections of nervous system
MCC CC DRG
Yes n/a 094
No Yes 095
No No 096

Non-bacterial infection of nervous system except viral meningitis
MCC CC DRG
Yes n/a 097
No Yes 098
No No 099

Seizures
MCC DRG
Yes 100
No 101

Headaches
MCC DRG
Yes 102
No 103



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16 Mar 2022 16:20:17
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