D55-D59 ICD-10-CA block: Haemolytic anaemias

D55-D59 isn’t a code on its own. Choose one of the 32 codes beneath it, the one the documentation supports.

Official description

D55-D59

Haemolytic anaemias (D55-D59)

ICD-10-CA · Canada

Codes in D55-D59

D55-D59 isn’t a code on its own. Open the group that matches what the note documents.

Notes for D55-D59

As CIHI prints them, with any note D55-D59 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Autoimmune disease (systemic) NOS (M35.9)certain conditions originating in the perinatal period (P00-P96)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)human immunodeficiency virus [HIV] disease (B24)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)From Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)

Where D55-D59 sits

  1. 1ChapterChapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
  2. 2Block D55-D59Haemolytic anaemias

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 D55-D59 a valid ICD-10-CA code?

No. D55-D59 (Haemolytic anaemias) is a block heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 32 codes; record the one the documentation supports.

Where is D55-D59 in ICD-10-CA?

D55-D59 sits under Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89).

What coding notes apply to D55-D59?

ICD-10-CA lists Excludes notes for D55-D59, 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.