N42.31
BillableProstatic intraepithelial neoplasia
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A precancerous condition where cells lining the prostate ducts show abnormal growth patterns; considered a high-risk finding for future prostate cancer.
Coding Tips
- •PIN is often found on prostate biopsy and requires close monitoring and follow-up
- •Document whether it is low-grade or high-grade PIN if specified in pathology report
Excludes 1 — Do NOT code together
- prostatic intraepithelial neoplasia III (PIN III) (D07.5)
Code Hierarchy
└N42Other and unspecified disorders of prostate└N42.3Dysplasia of prostate└N42.31Prostatic intraepithelial neoplasia
└N42.31Prostatic intraepithelial neoplasia