Z17.21
BillableProgesterone receptor positive status
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A breast cancer tumor that has receptors for the hormone progesterone, meaning it may grow in response to progesterone in the body.
Coding Tips
- •Progesterone receptor (PR) status is typically reported alongside estrogen receptor status for comprehensive hormone receptor profiling
- •PR+ status influences treatment decisions and prognosis; document alongside ER status for complete picture
Code Hierarchy
└Z17Estrogen, and other hormones and factors receptor status└Z17.2Progesterone receptor status└Z17.21Progesterone receptor positive status
└Z17.21Progesterone receptor positive status