G22 ICD-10-CA code: Parkinsonism in diseases classified elsewhere
G22 is the ICD-10-CA code for “Parkinsonism in diseases classified elsewhere” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
G22Parkinsonism in diseases classified elsewhere
Short description: Parkinsonism in dis classified elsewhere
ICD-10-CA · Canada
Notes for G22
As CIHI prints them, with any note G22 takes from the headings above it.
Includes
- Syphilitic parkinsonism (A52.1†)
Excludes
Conditions classified elsewhere.
- 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)
Where G22 sits
- 1ChapterChapter 6: Diseases of the nervous system (G00-G99)
- 2Block G20-G26Extrapyramidal and movement disorders
- 3Valid code G22Parkinsonism in diseases classified elsewhere
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 G22 mean?
G22 is the ICD-10-CA code for “Parkinsonism in diseases classified elsewhere” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is G22 in ICD-10-CA?
G22 sits under G20-G26 Extrapyramidal and movement disorders, within Chapter 6: Diseases of the nervous system (G00-G99).
What coding notes apply to G22?
ICD-10-CA lists Includes, Excludes notes for G22, 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.