D55.8 ICD-10-CA code: Other anaemias due to enzyme disorders
D55.8 is the ICD-10-CA code for “Other anaemias due to enzyme disorders” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
D55.8Other anaemias due to enzyme disorders
ICD-10-CA · Canada · Also written D558
Index terms
Entries in CIHI’s alphabetical index that lead to D55.8. Searching the index by the condition the note names is how coders reach this code.
- Anemia, deficiency, enzyme, specified type NEC
- Anemia, hemolytic, nonspherocytic, congenital or hereditary NEC
- Anemia, hemolytic, acute, due to enzyme deficiency specified type NEC
- Anemia, hemolytic, hereditary, due to enzyme disorder, specified type NEC
Notes for D55.8
As CIHI prints them, with any note D55.8 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Drug-induced enzyme deficiency anaemia (D59.2)From D55 Anaemia due to enzyme disorders
- 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 D55.8 sits
- 1ChapterChapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
- 2Block D55-D59Haemolytic anaemias
- 3Category D55Anaemia due to enzyme disorders
- 4Valid code D55.8Other anaemias due to enzyme disorders
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 D55.8 mean?
D55.8 is the ICD-10-CA code for “Other anaemias due to enzyme disorders” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is D55.8 in ICD-10-CA?
D55.8 sits under D55 Anaemia due to enzyme disorders, within D55-D59 Haemolytic anaemias, within Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89).
What coding notes apply to D55.8?
ICD-10-CA lists Excludes notes for D55.8, 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.