Is ICD-10-CM code G36 billable?

No, G36 (Other acute disseminated demyelination) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code G36 belong to?

G36 belongs to Chapter 6 of the ICD-10-CM tabular list: G00–G99 (Diseases of the Nervous System).

G36

Non-Billable

ChapterG00–G99

Rankcategory

Description

Other acute disseminated demyelination

About ICD-10-CM code G36

G36 is the ICD-10-CM diagnosis code for Other acute disseminated demyelination. It sits in G00-G99 Diseases of the Nervous System, within Demyelinating diseases of the central nervous system (G35-G37). G36 is not billable on its own, coders must choose one of its more specific child codes instead.

Use a more specific code (4 billable)

G36.0Neuromyelitis optica [Devic]G36.1Acute and subacute hemorrhagic leukoencephalitis [Hurst]G36.8Other specified acute disseminated demyelination G36.9Acute disseminated demyelination, unspecified

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 6: Diseases of the Nervous System (G00-G99).

CH6 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

Excludes1(Not coded here. Use a different code.)

postinfectious encephalitis and encephalomyelitis NOS (G04.01)

Clinical Hierarchy

BillableHas subcodes

CH6Diseases of the nervous system (G00-G99)

G35-G37Demyelinating diseases of the central nervous system (G35-G37)

G36Other acute disseminated demyelinationNot billable

G36.0Neuromyelitis optica [Devic]Billable

G36.1Acute and subacute hemorrhagic leukoencephalitis [Hurst]Billable

G36.8Other specified acute disseminated demyelinationBillable

G36.9Acute disseminated demyelination, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G36:

chapterCH6

Diseases of the nervous system (G00-G99)

View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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