D74.8 ICD-10-CA code: Other methaemoglobinaemias
D74.8 is the ICD-10-CA code for “Other methaemoglobinaemias” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
D74.8Other methaemoglobinaemias
ICD-10-CA · Canada · Also written D748
Index terms
Entries in CIHI’s alphabetical index that lead to D74.8. Searching the index by the condition the note names is how coders reach this code.
- Nitrosohemoglobinemia
- Cyanosis, enterogenous
- Stokvis(Talma) disease
- Methemoglobinemia, toxic
- Sensitive, sensitivity, methemoglobin
- Methemoglobinemia, acquired (with sulfhemoglobinemia)
- Sulfhemoglobinemia, sulphemoglobinemia (acquired) (with methemoglobinemia)
Notes for D74.8
As CIHI prints them, with any note D74.8 takes from the headings above it.
Includes
- Acquired methaemoglobinaemia (with sulfhaemoglobinaemia)Toxic methaemoglobinaemia
Use additional code
Add a code for this detail when the note documents it.
- Use additional external cause code (Chapter XX) to identify cause
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 D74.8 sits
- 1ChapterChapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
- 2Block D70-D77Other diseases of blood and blood-forming organs
- 3Category D74Methaemoglobinaemia
- 4Valid code D74.8Other methaemoglobinaemias
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 D74.8 mean?
D74.8 is the ICD-10-CA code for “Other methaemoglobinaemias” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is D74.8 in ICD-10-CA?
D74.8 sits under D74 Methaemoglobinaemia, within D70-D77 Other diseases of blood and blood-forming organs, 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 D74.8?
ICD-10-CA lists Includes, Use additional code, Excludes notes for D74.8, 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.