Is C76 a billable ICD-10-CM code?

No. C76 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does C76 sit in the tabular list?

Neoplasms (C00-D49), in the block Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80).

What cannot be coded together with C76?

C76 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

C76

C76 — Malignant neoplasm of other and ill-defined sites

Non-billable headerICD-10-CM

C76 is a non-billable header ICD-10-CM code for malignant neoplasm of other and ill-defined sites. 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.

malignant neoplasm of female genitourinary tract NOS (C57.9)
malignant neoplasm of male genitourinary tract NOS (C63.9)
malignant neoplasm of lymphoid, hematopoietic and related tissue (C81-C96)
malignant neoplasm of skin (C44.-)
malignant neoplasm of unspecified site NOS (C80.1)

Other codes that can never be billed with C76

These codes carry an Excludes1 note pointing at C76. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading C76 alone.

C26.9Malignant neoplasm of ill-defined sites within the digestive system
C30.0Malignant neoplasm of nasal cavity
C39Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs

Risk adjustment

C76 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 C76

7 child codes. Green means billable.

Questions about C76

Is C76 a billable ICD-10-CM code?: No. C76 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does C76 sit in the tabular list?: Neoplasms (C00-D49), in the block Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80).
What cannot be coded together with C76?: C76 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.