Q86 ICD-10-CA category: Congenital malformation syndromes due to known exogenous causes, not elsewhere classified
Q86 isn’t a code on its own. Choose one of the 4 codes beneath it, the one the documentation supports.
Official description
Q86Congenital malformation syndromes due to known exogenous causes, not elsewhere classified
ICD-10-CA · Canada
Codes in Q86
Q86 isn’t a code on its own. Open the code that matches what the note documents.
Notes for Q86
As CIHI prints them, with any note Q86 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Iodine-deficiency-related hypothyroidism (E00-E02)nonteratogenic effects of substances transmitted via placenta or breast milk (P04.-)
- Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Where Q86 sits
- 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- 2Block Q80-Q89Other congenital malformations
- 3Category Q86Congenital malformation syndromes due to known exogenous causes, not elsewhere classified
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 Q86 a valid ICD-10-CA code?
No. Q86 (Congenital malformation syndromes due to known exogenous causes, not elsewhere classified) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 4 codes; record the one the documentation supports.
Where is Q86 in ICD-10-CA?
Q86 sits under Q80-Q89 Other congenital malformations, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
What coding notes apply to Q86?
ICD-10-CA lists Excludes notes for Q86, 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 Q86
View Q80-Q89Q80Congenital ichthyosisQ81Epidermolysis bullosaQ82Other congenital malformations of skinQ83Congenital malformations of breastQ84Other congenital malformations of integumentQ85Phakomatoses, not elsewhere classifiedQ87Other specified congenital malformation syndromes affecting multiple systemsQ89Other congenital malformations, not elsewhere classified