G37.3 ICD-10-CM Code: Acute transverse myelitis in demyelinating disease of central nervous system
G37.3 is the billable ICD-10-CM code for “Acute transverse myelitis in demyelinating disease of central nervous system” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
G37.3Acute transverse myelitis in demyelinating disease of central nervous system
ICD-10-CM diagnosis code · United States clinical modification
Where G37.3 sits
- 1
Chapter 6
Diseases of the nervous system (G00-G99)
- 2
Section
Demyelinating diseases of the central nervous system (G35-G37)
- 3
Category G37
Other demyelinating diseases of central nervous system
- 4
Code G37.3
Acute transverse myelitis in demyelinating disease of central nervous system
Notes for this code
Inclusion terms
- Acute transverse myelitis NOS
- Acute transverse myelopathy
Code first
No “code first” instruction is listed for G37.3.
Use additional code
No “use additional code” instruction is listed for G37.3.
Excludes1
Conditions that should not be reported together with this code.
- acute flaccid myelitis (G04.82)
- multiple sclerosis (G35-)
- neuromyelitis optica [Devic] (G36.0)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for G37.3.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code G37.3 mean?
G37.3 is the FY 2027 U.S. ICD-10-CM code for “Acute transverse myelitis in demyelinating disease of central nervous system.”
Is G37.3 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, G37.3 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is G37.3 located in ICD-10-CM?
G37.3 is listed in Chapter 6, Diseases of the nervous system (G00-G99), within Demyelinating diseases of the central nervous system (G35-G37) (G35–G37), under category G37, Other demyelinating diseases of central nervous system.
What coding notes are listed for G37.3?
Its listed inclusion terms are Acute transverse myelitis NOS; Acute transverse myelopathy. No code-first instruction is listed. Excludes1 notes: acute flaccid myelitis (G04.82); multiple sclerosis (G35-); neuromyelitis optica [Devic] (G36.0). No Excludes2 note is listed.