Q34 ICD-10-CA category: Other congenital malformations of respiratory system

Q34 isn’t a code on its own. Choose one of the 4 codes beneath it, the one the documentation supports.

Official description

Q34

Other congenital malformations of respiratory system

ICD-10-CA · Canada

Codes in Q34

Q34 isn’t a code on its own. Open the code that matches what the note documents.

Notes for Q34

As CIHI prints them, with any note Q34 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 Q34 sits

  1. 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  2. 2Block Q30-Q34Congenital malformations of the respiratory system
  3. 3Category Q34Other congenital malformations of respiratory 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 Q34 a valid ICD-10-CA code?

No. Q34 (Other congenital malformations of respiratory system) 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 Q34 in ICD-10-CA?

Q34 sits under Q30-Q34 Congenital malformations of the respiratory system, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).

What coding notes apply to Q34?

ICD-10-CA lists Excludes notes for Q34, 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.