D56.4
BillableHereditary persistence of fetal hemoglobin [HPFH]
D56.4 is the ICD-10-CM code for Hereditary persistence of fetal hemoglobin [HPFH]. It is a billable, specific code valid for reimbursement.
D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
No additional coding notes for this code.
Frequently asked questions
- What is ICD-10 code D56.4?
- D56.4 is the ICD-10-CM code for "Hereditary persistence of fetal hemoglobin [HPFH]". It falls under D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.
- Is D56.4 a billable code?
- Yes — D56.4 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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