Is D89.8 a billable ICD-10-CM code?

No. D89.8 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does D89.8 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 Certain disorders involving the immune mechanism (D80-D89).

D89.8

D89.8 — Other specified disorders involving the immune mechanism, not elsewhere classified

Non-billable headerICD-10-CM

D89.8 is a non-billable header ICD-10-CM code for other specified disorders involving the immune mechanism, not elsewhere classified. It cannot be billed on its own: choose one of the more specific child codes below.

Risk adjustment

D89.8 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 D89.8

5 child codes. Green means billable.

Related codes at this level

Codes that share D89. If D89.8 is not quite right, the correct code is usually one of these.

Questions about D89.8

Is D89.8 a billable ICD-10-CM code?: No. D89.8 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does D89.8 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 Certain disorders involving the immune mechanism (D80-D89).