Is D71 a billable ICD-10-CM code?

No. D71 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does D71 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 Other disorders of blood and blood-forming organs (D70-D77).

D71

D71 — Functional disorders of polymorphonuclear neutrophils

Non-billable headerICD-10-CM

D71 is a non-billable header ICD-10-CM code for functional disorders of polymorphonuclear neutrophils. It cannot be billed on its own: choose one of the more specific child codes below.

Risk adjustment

D71 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 115 Specified Immunodeficiencies and White Blood Cell Disorders0.565 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.

Code history

What changed, and when. Derived by diffing consecutive CMS release files — which matters when you are defending a code assigned under an earlier edition.

deletedFY2024-FY2026
Functional disorders of polymorphonuclear neutrophils

Code to one of these instead D71

3 child codes. Green means billable.

Questions about D71

Is D71 a billable ICD-10-CM code?: No. D71 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does D71 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 Other disorders of blood and blood-forming organs (D70-D77).