Is D52 a billable ICD-10-CM code?

No. D52 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does D52 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).

What cannot be coded together with D52?

D52 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

D52

D52 — Folate deficiency anemia

Non-billable headerICD-10-CM

D52 is a non-billable header ICD-10-CM code for folate deficiency anemia. 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.

folate deficiency without anemia (E53.8)

Other codes that can never be billed with D52

These codes carry an Excludes1 note pointing at D52. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading D52 alone.

E53.8Deficiency of other specified B group vitamins

Risk adjustment

D52 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 D52

4 child codes. Green means billable.

Questions about D52

Is D52 a billable ICD-10-CM code?: No. D52 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does D52 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).
What cannot be coded together with D52?: D52 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.