MCMCB Pro
C79.6

C79.6Secondary malignant neoplasm of ovary

Non-billable headerICD-10-CM

C79.6 is a non-billable header ICD-10-CM code for secondary malignant neoplasm of ovary. It cannot be billed on its own: choose one of the more specific child codes below.

Risk adjustment

C79.6 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 C79.6

4 child codes. Green means billable.

Related codes at this level

Codes that share C79. If C79.6 is not quite right, the correct code is usually one of these.

Questions about C79.6

Is C79.6 a billable ICD-10-CM code?
No. C79.6 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does C79.6 sit in the tabular list?
Neoplasms (C00-D49), in the block Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.