Is D53 a billable ICD-10-CM code?

No. D53 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does D53 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 Nutritional anemias (D50-D53).

D53

D53 — Other nutritional anemias

Non-billable headerICD-10-CM

D53 is a non-billable header ICD-10-CM code for other nutritional anemias. It cannot be billed on its own: choose one of the more specific child codes below.

Includes

Conditions this code covers.

megaloblastic anemia unresponsive to vitamin B12 or folate therapy

Other codes that can never be billed with D53

These codes carry an Excludes1 note pointing at D53. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading D53 alone.

E54Ascorbic acid deficiency
E79Disorders of purine and pyrimidine metabolism

Risk adjustment

D53 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 D53

5 child codes. Green means billable.

Questions about D53

Is D53 a billable ICD-10-CM code?: No. D53 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does D53 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 Nutritional anemias (D50-D53).