G37.4
Billable codeSubacute necrotizing myelitis of central nervous system
The ICD-10 code for subacute necrotizing myelitis of central nervous system is G37.4.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- G37.0Diffuse sclerosis of central nervous system
- G37.1Central demyelination of corpus callosum
- G37.2Central pontine myelinolysis
- G37.3Acute transverse myelitis in demyelinating disease of central nervous system
- G37.5Concentric sclerosis [Balo] of central nervous system
- G37.8Other specified demyelinating diseases of central nervous systemnon-billable header
- G37.9Demyelinating disease of central nervous system, unspecified
- G37.4Subacute necrotizing myelitis of central nervous system
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 3239Approximate match
- 3418Approximate match
Associated MS-DRGs
G37.4 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 023Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Antineoplastic Implant or Epilepsy with Neurostimulator
- DRG 024Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis without MCC
- DRG 097Non-Bacterial Infection of Nervous System Except Viral Meningitis with MCC
- DRG 098Non-Bacterial Infection of Nervous System Except Viral Meningitis with CC
- DRG 099Non-Bacterial Infection of Nervous System Except Viral Meningitis without CC/MCC