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Q26.0 ICD-10-CA code: Congenital stenosis of vena cava

Q26.0 is the ICD-10-CA code for “Congenital stenosis of vena cava” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

Q26.0

Congenital stenosis of vena cava

ICD-10-CA · Canada · Also written Q260

Index terms

Entries in CIHI’s alphabetical index that lead to Q26.0. Searching the index by the condition the note names is how coders reach this code.

  • Stricture, vena cava (inferior) (superior) NEC, congenital
  • Stenosis (cicatricial), vena cava (inferior) (superior), congenital

Notes for Q26.0

As CIHI prints them, with any note Q26.0 takes from the headings above it.

Includes

  • Congenital stenosis of vena cava (inferior)(superior)

Excludes

Conditions classified elsewhere.

  • Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

Where Q26.0 sits

  1. 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  2. 2Block Q20-Q28Congenital malformations of the circulatory system
  3. 3Category Q26Congenital malformations of great veins
  4. 4Valid code Q26.0Congenital stenosis of vena cava

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.

See Q26.0 in the CIHI source

Frequently asked questions

What does ICD-10-CA code Q26.0 mean?

Q26.0 is the ICD-10-CA code for “Congenital stenosis of vena cava” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is Q26.0 in ICD-10-CA?

Q26.0 sits under Q26 Congenital malformations of great veins, 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 Q26.0?

ICD-10-CA lists Includes, Excludes notes for Q26.0, 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 Q26.0

Q26.1Persistent left superior vena cavaQ26.2Total anomalous pulmonary venous connectionQ26.3Partial anomalous pulmonary venous connectionQ26.4Anomalous pulmonary venous connection, unspecifiedQ26.5Anomalous portal venous connectionQ26.6Portal vein-hepatic artery fistulaQ26.8Other congenital malformations of great veinsQ26.9Congenital malformation of great vein, unspecified