Q25.5 ICD-10-CA code: Atresia of pulmonary artery
Q25.5 is the ICD-10-CA code for “Atresia of pulmonary artery” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
Q25.5Atresia of pulmonary artery
ICD-10-CA · Canada · Also written Q255
Index terms
Entries in CIHI’s alphabetical index that lead to Q25.5. Searching the index by the condition the note names is how coders reach this code.
- Atresia, atretic, pulmonary (artery)
- Atresia, atretic, artery NEC, pulmonary
Notes for Q25.5
As CIHI prints them, with any note Q25.5 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 Q25.5 sits
- 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- 2Block Q20-Q28Congenital malformations of the circulatory system
- 3Category Q25Congenital malformations of great arteries
- 4Valid code Q25.5Atresia of pulmonary artery
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 Q25.5 mean?
Q25.5 is the ICD-10-CA code for “Atresia of pulmonary artery” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is Q25.5 in ICD-10-CA?
Q25.5 sits under Q25 Congenital malformations of great arteries, within Q20-Q28 Congenital malformations of the circulatory system, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
What coding notes apply to Q25.5?
ICD-10-CA lists Excludes notes for Q25.5, 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 Q25.5
View Q25Q25.0Patent ductus arteriosusQ25.1Coarctation of aortaQ25.2Atresia of aortaQ25.3Stenosis of aortaQ25.4Other congenital malformations of aortaQ25.6Stenosis of pulmonary arteryQ25.7Other congenital malformations of pulmonary arteryQ25.8Other congenital malformations of great arteriesQ25.9Congenital malformation of great arteries, unspecified