G81.00 Flaccid hemiplegia affecting unspecified side
Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.
Applies from G81 Hemiplegia and hemiparesis
Excludes1 (never code together)
congenital cerebral palsy (G80.-)
hemiplegia and hemiparesis due to sequela of cerebrovascular disease (I69.05-, I69.15-, I69.25-, I69.35-, I69.85-, I69.95-)
Notes
This category is to be used only when hemiplegia (complete)(incomplete) is reported without further specification, or is stated to be old or longstanding but of unspecified cause. The category is also for use in multiple coding to identify these types of hemiplegia resulting from any cause.
Risk adjustment (HCC)
CMS-HCC V28: HCC 253 — Hemiplegia/Hemiparesis
CMS-HCC V22: HCC 103 — Hemiplegia/Hemiparesis
ESRD V24: HCC 103
MS-DRG index
Defines the logic of DRG(s) 056-057 in MDC 01.
Approximate ICD-9-CM (GEMs)
342.00 Flaccid hemiplegia and hemiparesis affecting unspecified side (approximate)
Medicare Code Edits (MCE v43.1 (April 2026))
Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.