Is D35 a billable ICD-10-CM code?

No. D35 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does D35 sit in the tabular list?

Neoplasms (C00-D49), in the block Benign neoplasms, except benign neuroendocrine tumors (D10-D36).

What cannot be coded together with D35?

D35 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

D35

D35 — Benign neoplasm of other and unspecified endocrine glands

Non-billable headerICD-10-CM

D35 is a non-billable header ICD-10-CM code for benign neoplasm of other and unspecified endocrine glands. 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.

benign neoplasm of endocrine pancreas (D13.7)
benign neoplasm of ovary (D27.-)
benign neoplasm of testis (D29.2.-)
benign neoplasm of thymus (D15.0)

Use additional code

Add a secondary code to capture the detail described below.

code to identify any functional activity

Risk adjustment

D35 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 D35

9 child codes. Green means billable.

Questions about D35

Is D35 a billable ICD-10-CM code?: No. D35 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does D35 sit in the tabular list?: Neoplasms (C00-D49), in the block Benign neoplasms, except benign neuroendocrine tumors (D10-D36).
What cannot be coded together with D35?: D35 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.