Q00-Q07 ICD-10-CA block: Congenital malformations of the nervous system
Q00-Q07 isn’t a code on its own. Choose one of the 42 codes beneath it, the one the documentation supports.
Official description
Q00-Q07Congenital malformations of the nervous system (Q00-Q07)
ICD-10-CA · Canada
Codes in Q00-Q07
Q00-Q07 isn’t a code on its own. Open the group that matches what the note documents.
Q00Anencephaly and similar malformations (3 codes)Q01Encephalocele (5 codes)Q02MicrocephalyQ03Congenital hydrocephalus (4 codes)Q04Other congenital malformations of brain (9 codes)Q05Spina bifida (10 codes)Q06Other congenital malformations of spinal cord (7 codes)Q07Other congenital malformations of nervous system (3 codes)Notes for Q00-Q07
As CIHI prints them, with any note Q00-Q07 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Where Q00-Q07 sits
- 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- 2Block Q00-Q07Congenital malformations of the nervous system
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
Is Q00-Q07 a valid ICD-10-CA code?
No. Q00-Q07 (Congenital malformations of the nervous system) is a block heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 42 codes; record the one the documentation supports.
Where is Q00-Q07 in ICD-10-CA?
Q00-Q07 sits under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
What coding notes apply to Q00-Q07?
ICD-10-CA lists Excludes notes for Q00-Q07, 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.
Codes beside Q00-Q07
Q10-Q18Congenital malformations of eye, ear, face and neckQ20-Q28Congenital malformations of the circulatory systemQ30-Q34Congenital malformations of the respiratory systemQ35-Q37Cleft lip and cleft palateQ38-Q45Other congenital malformations of the digestive systemQ50-Q56Congenital malformations of genital organsQ60-Q64Congenital malformations of the urinary systemQ65-Q79Congenital malformations and deformations of the musculoskeletal systemQ80-Q89Other congenital malformationsQ90-Q99Chromosomal abnormalities, not elsewhere classified