G81.00 ICD-10-CA code: Flaccid hemiplegia of dominant side

G81.00 is the ICD-10-CA code for “Flaccid hemiplegia of dominant side” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

G81.00

Flaccid hemiplegia of dominant side

ICD-10-CA · Canada · Also written G8100

Index terms

Entries in CIHI’s alphabetical index that lead to G81.00. Searching the index by the condition the note names is how coders reach this code.

  • Hemiplegia, flaccid, of dominant side

Notes for G81.00

As CIHI prints them, with any note G81.00 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Congenital cerebral palsy (G80.-)spastic hemiplegic cerebral palsy(G80.2)From G81 Hemiplegia
  • Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 6: Diseases of the nervous system (G00-G99)

Note

  • For primary coding, 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.From G81 Hemiplegia

Where G81.00 sits

  1. 1ChapterChapter 6: Diseases of the nervous system (G00-G99)
  2. 2Block G80-G83Cerebral palsy and other paralytic syndromes
  3. 3Category G81Hemiplegia
  4. 4Subcategory G81.0Flaccid hemiplegia
  5. 5Valid code G81.00Flaccid hemiplegia of dominant side

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does ICD-10-CA code G81.00 mean?

G81.00 is the ICD-10-CA code for “Flaccid hemiplegia of dominant side” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is G81.00 in ICD-10-CA?

G81.00 sits under G81.0 Flaccid hemiplegia, within G81 Hemiplegia, within G80-G83 Cerebral palsy and other paralytic syndromes, within Chapter 6: Diseases of the nervous system (G00-G99).

What coding notes apply to G81.00?

ICD-10-CA lists Note, Excludes notes for G81.00, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.