Is D44.1 a billable ICD-10-CM code?

No. D44.1 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does D44.1 sit in the tabular list?

Neoplasms (C00-D49), in the block Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48).

What cannot be coded together with D44.1?

D44.1 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above D44.1 (D44) and apply to it just the same.

D44.1

D44.1 — Neoplasm of uncertain behavior of adrenal gland

Non-billable headerICD-10-CM

D44.1 is a non-billable header ICD-10-CM code for neoplasm of uncertain behavior of adrenal gland. It cannot be billed on its own: choose one of the more specific child codes below.

Use additional code

Add a secondary code to capture the detail described below.

code to identify any functional activity.

Excludes1 inherited from the categories above D44.1

These are not written on D44.1, but they bind it: a note on a category applies to every code beneath it. Billing D44.1 with anything listed here is a denial.

Written on D44 — Neoplasm of uncertain behavior of endocrine glands

multiple endocrine adenomatosis (E31.2-)
multiple endocrine neoplasia (E31.2-)
neoplasm of uncertain behavior of endocrine pancreas (D37.8)
neoplasm of uncertain behavior of ovary (D39.1-)
neoplasm of uncertain behavior of testis (D40.1-)
neoplasm of uncertain behavior of thymus (D38.4)

Risk adjustment

D44.1 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 history

D44.1 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead D44.1

3 child codes. Green means billable.

Related codes at this level

Codes that share D44. If D44.1 is not quite right, the correct code is usually one of these.

Questions about D44.1

Is D44.1 a billable ICD-10-CM code?: No. D44.1 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does D44.1 sit in the tabular list?: Neoplasms (C00-D49), in the block Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48).
What cannot be coded together with D44.1?: D44.1 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above D44.1 (D44) and apply to it just the same.