I26-I28 ICD-10-CA block: Pulmonary heart disease and diseases of pulmonary circulation

I26-I28 isn’t a code on its own. Choose one of the 11 codes beneath it, the one the documentation supports.

Official description

I26-I28

Pulmonary heart disease and diseases of pulmonary circulation (I26-I28)

ICD-10-CA · Canada

Codes in I26-I28

I26-I28 isn’t a code on its own. Open the group that matches what the note documents.

Notes for I26-I28

As CIHI prints them, with any note I26-I28 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)systemic connective tissue disorders (M30-M36)transient cerebral ischaemic attacks and related syndromes (G45.-)From Chapter 9: Diseases of the circulatory system (I00-I99)

Where I26-I28 sits

  1. 1ChapterChapter 9: Diseases of the circulatory system (I00-I99)
  2. 2Block I26-I28Pulmonary heart disease and diseases of pulmonary circulation

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 I26-I28 a valid ICD-10-CA code?

No. I26-I28 (Pulmonary heart disease and diseases of pulmonary circulation) is a block heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 11 codes; record the one the documentation supports.

Where is I26-I28 in ICD-10-CA?

I26-I28 sits under Chapter 9: Diseases of the circulatory system (I00-I99).

What coding notes apply to I26-I28?

ICD-10-CA lists Excludes notes for I26-I28, 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.