ICD-10-CM > G00-G99 > G35-G37 > G37 > G37.3 G37.3 Acute transverse myelitis in demyelinating disease of central nervous system Billable/Specific Copy Code Copy Description Applicable To Acute transverse myelitis NOSAcute transverse myelopathy Type 1 Excludes acute flaccid myelitis (G04.82)multiple sclerosis (G35-)neuromyelitis optica [Devic] (G36.0)