D74.0 – Congenital methemoglobinemia
ICD-10-CM 2027 diagnosis code · Other disorders of blood and blood-forming organs
ICD-10-CM code
D74.0
- Code
D74.0(claims format:D740)- Description
- Congenital methemoglobinemia
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
- Block
- D70-D77 Other disorders of blood and blood-forming organs
- Parent codes
- D74
Notes for D74.0
Applicable to:
- Congenital NADH-methemoglobin reductase deficiency
- Hemoglobin-M [Hb-M] disease
- Methemoglobinemia, hereditary
Index terms for D74.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in D74
Frequently asked questions
What is ICD-10 code D74.0?
D74.0 is the ICD-10-CM code for congenital methemoglobinemia, in the block D70-D77 (Other disorders of blood and blood-forming organs).
Is D74.0 a billable code?
Yes. D74.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does D74.0 belong to?
It belongs to category D74 – Methemoglobinemia.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.