D56
D56 — Thalassemia
Non-billable headerICD-10-CM
D56 is a non-billable header ICD-10-CM code for thalassemia. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1 — never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- sickle-cell thalassemia (D57.4-)
Other codes that can never be billed with D56
These codes carry an Excludes1 note pointing at D56. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading D56 alone.
Risk adjustment
D56 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead D56
8 child codes. Green means billable.
Questions about D56
- Is D56 a billable ICD-10-CM code?
- No. D56 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does D56 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 Hemolytic anemias (D55-D59).
- What cannot be coded together with D56?
- D56 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.