MCMCB Pro
Z19

Z19Hormone sensitivity malignancy status

Non-billable headerICD-10-CM

Z19 is a non-billable header ICD-10-CM code for hormone sensitivity malignancy status. It cannot be billed on its own: choose one of the more specific child codes below.

Code first

The underlying condition must be sequenced before this code.

  • malignant neoplasm - see Table of Neoplasms, by site, malignant

Risk adjustment

Z19 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 Z19

2 child codes. Green means billable.

Questions about Z19

Is Z19 a billable ICD-10-CM code?
No. Z19 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does Z19 sit in the tabular list?
Factors influencing health status and contact with health services (Z00-Z99), in the block Hormone sensitivity malignancy status (Z19).
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.