LCD Reference Article Billing and Coding Article

Billing and Coding: Multiplex Gastrointestinal Pathogen Panel (GPP) Tests for Acute Gastroenteritis (AGE)

A58963

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Draft Articles are works in progress and not necessarily a reflection of the current billing and coding practices. Revisions to codes are carefully and thoroughly reviewed and are not intended to change the original intent of the LCD.

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Source Article ID
N/A
Article ID
A58963
Original ICD-9 Article ID
Not Applicable
Article Title
Billing and Coding: Multiplex Gastrointestinal Pathogen Panel (GPP) Tests for Acute Gastroenteritis (AGE)
Article Type
Billing and Coding
Original Effective Date
08/01/2022
Revision Effective Date
01/01/2024
Revision Ending Date
N/A
Retirement Date
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Article Guidance

Article Text

This article contains coding and other guidelines that complement the Local Coverage Determination (LCD) for Multiplex Gastrointestinal Pathogen Panel (GPP) Tests for Acute Gastroenteritis (AGE).

Coding Information:

Procedure codes may be subject to National Correct Coding Initiative (NCCI) edits or OPPS packaging edits. Refer to NCCI and OPPS requirements prior to billing Medicare.

For services requiring a referring/ordering physician, the name and NPI of the referring/ordering physician must be reported on the claim.

A claim submitted without a valid ICD-10-CM diagnosis code will be returned to the provider as an incomplete claim under Section 1833(e) of the Social Security Act.

The diagnosis code(s) must best describe the patient's condition for which the service was performed. For diagnostic tests, report the result of the test if known; otherwise the symptoms prompting the performance of the test should be reported.

Specific Coding Information (Highly Multiplexed GPPs- Group 2 CPT Codes)

Must be billed in POS 20, 21, 22, 23, or 81 (Urgent Care, Inpatient Hospital, Outpatient Hospital (observation), or Emergency Room), or in POS 81 (Independent Laboratory) in the case of a pre-transplant evaluation for an immune-compromised beneficiary.

Outside of one of these POS, the test must be ordered by a clinician specialist in one of the following: Infectious Diseases (44), Gastroenterology (10), Oncology (83,90,91), or Transplant who is diagnosing and treating the beneficiary.*

The specialist communication must be documented in the medical record.

*An exception may be made in geographic locations where neither specialist can be reasonably reached by the beneficiary and the ordering provider is located closer to the beneficiary’s place of residence than the nearest infectious disease specialist. We would generally expect that beneficiaries for whom the test is ordered under this exception to be living in rural locations, islands, or some other location where access to care is limited.

Documentation Requirements:

The patient's medical record must contain documentation that fully supports the medical necessity for services included within the attached LCD. (See "Indications and Limitations of Coverage.") This documentation includes, but is not limited to, relevant medical history, physical examination, and results of pertinent diagnostic tests or procedures.

Response To Comments

Number Comment Response
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Coding Information

Bill Type Codes

Code Description

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Revenue Codes

Code Description

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CPT/HCPCS Codes

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CPT/HCPCS Modifiers

Group 1

Group 1 Paragraph

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Group 1 Codes

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ICD-10-CM Codes that Support Medical Necessity

Group 1

(2 Codes)
Group 1 Paragraph

These are the diagnosis codes corresponding to coverage of CPT Group 1 code.

Group 1 Codes
Code Description
A09 Infectious gastroenteritis and colitis, unspecified
R19.7 Diarrhea, unspecified

Group 2

(196 Codes)
Group 2 Paragraph

These are the diagnosis codes corresponding to coverage of CPT Group 2 codes- Highly Multiplexed GPPs. One of these diagnosis codes must be on the claim in addition to the sign or symptom for which there is suspicion of gastrointestinal illness (Group 1 code).

Group 2 Codes
Code Description
A00.0 Cholera due to Vibrio cholerae 01, biovar cholerae
A00.1 Cholera due to Vibrio cholerae 01, biovar eltor
A00.9 Cholera, unspecified
A01.00 Typhoid fever, unspecified
A01.1 Paratyphoid fever A
A01.2 Paratyphoid fever B
A01.3 Paratyphoid fever C
A02.0 Salmonella enteritis
A03.0 Shigellosis due to Shigella dysenteriae
A03.1 Shigellosis due to Shigella flexneri
A03.2 Shigellosis due to Shigella boydii
A03.8 Other shigellosis
A03.9 Shigellosis, unspecified
A04.0 Enteropathogenic Escherichia coli infection
A04.1 Enterotoxigenic Escherichia coli infection
A04.71 Enterocolitis due to Clostridium difficile, recurrent
A04.72 Enterocolitis due to Clostridium difficile, not specified as recurrent
A04.8 Other specified bacterial intestinal infections
A04.9 Bacterial intestinal infection, unspecified
A06.0 Acute amebic dysentery
A07.1 Giardiasis [lambliasis]
A07.2 Cryptosporidiosis
A08.0 Rotaviral enteritis
A08.11 Acute gastroenteropathy due to Norwalk agent
A08.19 Acute gastroenteropathy due to other small round viruses
A08.31 Calicivirus enteritis
B20 Human immunodeficiency virus [HIV] disease
D61.09 Other constitutional aplastic anemia
D61.1 Drug-induced aplastic anemia
D61.2 Aplastic anemia due to other external agents
D61.3 Idiopathic aplastic anemia
D61.810 Antineoplastic chemotherapy induced pancytopenia
D61.811 Other drug-induced pancytopenia
D61.818 Other pancytopenia
D61.82 Myelophthisis
D61.89 Other specified aplastic anemias and other bone marrow failure syndromes
D61.9 Aplastic anemia, unspecified
D64.81 Anemia due to antineoplastic chemotherapy
D70.0 Congenital agranulocytosis
D70.1 Agranulocytosis secondary to cancer chemotherapy
D70.2 Other drug-induced agranulocytosis
D70.3 Neutropenia due to infection
D70.4 Cyclic neutropenia
D70.9 Neutropenia, unspecified
D80.0 Hereditary hypogammaglobulinemia
D80.1 Nonfamilial hypogammaglobulinemia
D80.2 Selective deficiency of immunoglobulin A [IgA]
D80.3 Selective deficiency of immunoglobulin G [IgG] subclasses
D80.4 Selective deficiency of immunoglobulin M [IgM]
D80.5 Immunodeficiency with increased immunoglobulin M [IgM]
D80.6 Antibody deficiency with near-normal immunoglobulins or with hyperimmunoglobulinemia
D80.7 Transient hypogammaglobulinemia of infancy
D80.8 Other immunodeficiencies with predominantly antibody defects
D80.9 Immunodeficiency with predominantly antibody defects, unspecified
D81.0 Severe combined immunodeficiency [SCID] with reticular dysgenesis
D81.1 Severe combined immunodeficiency [SCID] with low T- and B-cell numbers
D81.2 Severe combined immunodeficiency [SCID] with low or normal B-cell numbers
D81.30 Adenosine deaminase deficiency, unspecified
D81.31 Severe combined immunodeficiency due to adenosine deaminase deficiency
D81.32 Adenosine deaminase 2 deficiency
D81.39 Other adenosine deaminase deficiency
D81.4 Nezelof's syndrome
D81.5 Purine nucleoside phosphorylase [PNP] deficiency
D81.6 Major histocompatibility complex class I deficiency
D81.7 Major histocompatibility complex class II deficiency
D81.810 Biotinidase deficiency
D81.818 Other biotin-dependent carboxylase deficiency
D81.819 Biotin-dependent carboxylase deficiency, unspecified
D81.89 Other combined immunodeficiencies
D81.9 Combined immunodeficiency, unspecified
D82.0 Wiskott-Aldrich syndrome
D82.1 Di George's syndrome
D82.2 Immunodeficiency with short-limbed stature
D82.3 Immunodeficiency following hereditary defective response to Epstein-Barr virus
D82.4 Hyperimmunoglobulin E [IgE] syndrome
D82.8 Immunodeficiency associated with other specified major defects
D82.9 Immunodeficiency associated with major defect, unspecified
D83.0 Common variable immunodeficiency with predominant abnormalities of B-cell numbers and function
D83.1 Common variable immunodeficiency with predominant immunoregulatory T-cell disorders
D83.2 Common variable immunodeficiency with autoantibodies to B- or T-cells
D83.8 Other common variable immunodeficiencies
D83.9 Common variable immunodeficiency, unspecified
D84.0 Lymphocyte function antigen-1 [LFA-1] defect
D84.1 Defects in the complement system
D84.821 Immunodeficiency due to drugs
D84.822 Immunodeficiency due to external causes
D84.89 Other immunodeficiencies
D84.9 Immunodeficiency, unspecified
D89.0 Polyclonal hypergammaglobulinemia
D89.1 Cryoglobulinemia
D89.3 Immune reconstitution syndrome
D89.41 Monoclonal mast cell activation syndrome
D89.42 Idiopathic mast cell activation syndrome
D89.43 Secondary mast cell activation
D89.49 Other mast cell activation disorder
D89.810 Acute graft-versus-host disease
D89.811 Chronic graft-versus-host disease
D89.812 Acute on chronic graft-versus-host disease
D89.813 Graft-versus-host disease, unspecified
D89.82 Autoimmune lymphoproliferative syndrome [ALPS]
D89.89 Other specified disorders involving the immune mechanism, not elsewhere classified
E08.43 Diabetes mellitus due to underlying condition with diabetic autonomic (poly)neuropathy
E10.43 Type 1 diabetes mellitus with diabetic autonomic (poly)neuropathy
E11.43 Type 2 diabetes mellitus with diabetic autonomic (poly)neuropathy
E13.43 Other specified diabetes mellitus with diabetic autonomic (poly)neuropathy
K50.011 Crohn's disease of small intestine with rectal bleeding
K50.012 Crohn's disease of small intestine with intestinal obstruction
K50.013 Crohn's disease of small intestine with fistula
K50.014 Crohn's disease of small intestine with abscess
K50.018 Crohn's disease of small intestine with other complication
K50.019 Crohn's disease of small intestine with unspecified complications
K50.111 Crohn's disease of large intestine with rectal bleeding
K50.112 Crohn's disease of large intestine with intestinal obstruction
K50.113 Crohn's disease of large intestine with fistula
K50.114 Crohn's disease of large intestine with abscess
K50.812 Crohn's disease of both small and large intestine with intestinal obstruction
K50.813 Crohn's disease of both small and large intestine with fistula
K50.814 Crohn's disease of both small and large intestine with abscess
K50.911 Crohn's disease, unspecified, with rectal bleeding
K50.912 Crohn's disease, unspecified, with intestinal obstruction
K50.913 Crohn's disease, unspecified, with fistula
K50.914 Crohn's disease, unspecified, with abscess
K50.918 Crohn's disease, unspecified, with other complication
K50.919 Crohn's disease, unspecified, with unspecified complications
K51.011 Ulcerative (chronic) pancolitis with rectal bleeding
K51.012 Ulcerative (chronic) pancolitis with intestinal obstruction
K51.013 Ulcerative (chronic) pancolitis with fistula
K51.014 Ulcerative (chronic) pancolitis with abscess
K51.018 Ulcerative (chronic) pancolitis with other complication
K51.019 Ulcerative (chronic) pancolitis with unspecified complications
K51.211 Ulcerative (chronic) proctitis with rectal bleeding
K51.212 Ulcerative (chronic) proctitis with intestinal obstruction
K51.213 Ulcerative (chronic) proctitis with fistula
K51.214 Ulcerative (chronic) proctitis with abscess
K51.218 Ulcerative (chronic) proctitis with other complication
K51.219 Ulcerative (chronic) proctitis with unspecified complications
K51.311 Ulcerative (chronic) rectosigmoiditis with rectal bleeding
K51.312 Ulcerative (chronic) rectosigmoiditis with intestinal obstruction
K51.313 Ulcerative (chronic) rectosigmoiditis with fistula
K51.314 Ulcerative (chronic) rectosigmoiditis with abscess
K51.318 Ulcerative (chronic) rectosigmoiditis with other complication
K51.319 Ulcerative (chronic) rectosigmoiditis with unspecified complications
K51.411 Inflammatory polyps of colon with rectal bleeding
K51.412 Inflammatory polyps of colon with intestinal obstruction
K51.413 Inflammatory polyps of colon with fistula
K51.414 Inflammatory polyps of colon with abscess
K51.418 Inflammatory polyps of colon with other complication
K51.419 Inflammatory polyps of colon with unspecified complications
K51.511 Left sided colitis with rectal bleeding
K51.512 Left sided colitis with intestinal obstruction
K51.513 Left sided colitis with fistula
K51.514 Left sided colitis with abscess
K51.518 Left sided colitis with other complication
K51.519 Left sided colitis with unspecified complications
K51.811 Other ulcerative colitis with rectal bleeding
K51.812 Other ulcerative colitis with intestinal obstruction
K51.813 Other ulcerative colitis with fistula
K51.814 Other ulcerative colitis with abscess
K51.818 Other ulcerative colitis with other complication
K51.819 Other ulcerative colitis with unspecified complications
K51.911 Ulcerative colitis, unspecified with rectal bleeding
K51.912 Ulcerative colitis, unspecified with intestinal obstruction
K51.913 Ulcerative colitis, unspecified with fistula
K51.914 Ulcerative colitis, unspecified with abscess
K51.918 Ulcerative colitis, unspecified with other complication
K51.919 Ulcerative colitis, unspecified with unspecified complications
K52.0 Gastroenteritis and colitis due to radiation
K56.0 Paralytic ileus
K56.3 Gallstone ileus
K56.7 Ileus, unspecified
K62.7 Radiation proctitis
R10.0 Acute abdomen
R10.10 Upper abdominal pain, unspecified
R10.11 Right upper quadrant pain
R10.12 Left upper quadrant pain
R10.13 Epigastric pain
R10.30 Lower abdominal pain, unspecified
R10.33 Periumbilical pain
R10.811 Right upper quadrant abdominal tenderness
R10.812 Left upper quadrant abdominal tenderness
R10.813 Right lower quadrant abdominal tenderness
R10.814 Left lower quadrant abdominal tenderness
R10.815 Periumbilic abdominal tenderness
R10.816 Epigastric abdominal tenderness
R10.817 Generalized abdominal tenderness
R10.819 Abdominal tenderness, unspecified site
R10.821 Right upper quadrant rebound abdominal tenderness
R10.822 Left upper quadrant rebound abdominal tenderness
R10.823 Right lower quadrant rebound abdominal tenderness
R10.824 Left lower quadrant rebound abdominal tenderness
R10.825 Periumbilic rebound abdominal tenderness
R10.826 Epigastric rebound abdominal tenderness
R10.827 Generalized rebound abdominal tenderness
R10.829 Rebound abdominal tenderness, unspecified site
Z51.11 Encounter for antineoplastic chemotherapy
Z94.0 Kidney transplant status
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ICD-10-CM Codes that DO NOT Support Medical Necessity

Group 1

Group 1 Paragraph

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Group 1 Codes

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ICD-10-PCS Codes

Group 1

Group 1 Paragraph

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Group 1 Codes

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Additional ICD-10 Information

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Bill Type Codes

Contractors may specify Bill Types to help providers identify those Bill Types typically used to report this service. Absence of a Bill Type does not guarantee that the article does not apply to that Bill Type. Complete absence of all Bill Types indicates that coverage is not influenced by Bill Type and the article should be assumed to apply equally to all claims.

Code Description

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Revenue Codes

Contractors may specify Revenue Codes to help providers identify those Revenue Codes typically used to report this service. In most instances Revenue Codes are purely advisory. Unless specified in the article, services reported under other Revenue Codes are equally subject to this coverage determination. Complete absence of all Revenue Codes indicates that coverage is not influenced by Revenue Code and the article should be assumed to apply equally to all Revenue Codes.

Code Description

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Other Coding Information

Group 1

Group 1 Paragraph

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Group 1 Codes

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Coding Table Information

Excluded CPT/HCPCS Codes - Table Format
Code Descriptor Generic Name Descriptor Brand Name Exclusion Effective Date Exclusion End Date Reason for Exclusion
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Non-Excluded CPT/HCPCS Ended Codes - Table Format
Code Descriptor Generic Name Descriptor Brand Name Exclusion Effective Date Exclusion End Date Reason for Exclusion
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Revision History Information

Revision History Date Revision History Number Revision History Explanation
01/01/2024 R1

PLA code 0369U was added to the CPT/HCPCS Code section, effective for services rendered on or after 1/1/2024.

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Associated Documents

Medicare BPM Ch 15.50.2 SAD Determinations
Medicare BPM Ch 15.50.2
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Updated On Effective Dates Status
11/22/2023 01/01/2024 - N/A Currently in Effect You are here
06/06/2022 08/01/2022 - 12/31/2023 Superseded View

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