D64.4 — Congenital dyserythropoietic anemia
D64.4 is a billable, specific ICD-10-CM code for congenital dyserythropoietic anemia. It is valid for submission on a claim.
Excludes1 — never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Dyshematopoietic anemia (congenital)
Risk adjustment
D64.4 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 109 Acquired Hemolytic, Aplastic, and Sideroblastic Anemias1.144 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
D64.4 is named in 7 Medicare coverage policies — 7 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A55717Billing and Coding: Lab: Flow Cytometry
- A56464Billing and Coding: Flow Cytometry
- A57110Billing and Coding: MolDX: Blood Product Molecular Antigen Typing
- A57124Billing and Coding: MolDX: Blood Product Molecular Antigen Typing
How D64.4 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to D64.4.
- Anemia›dyserythropoietic(congenital)
- Anemia›dyshematopoietic(congenital)
- Anemia›congenital›dyserythropoietic, dyshematopoietic
Related codes at this level
Codes that share D64. If D64.4 is not quite right, the correct code is usually one of these.
Questions about D64.4
- Is D64.4 a billable ICD-10-CM code?
- Yes. D64.4 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D64.4 sit in the tabular list?
- Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89), in the block Aplastic and other anemias and other bone marrow failure syndromes (D60-D64).
- What cannot be coded together with D64.4?
- D64.4 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.