Neoplasm of uncertain behavior of prostate

This code signifies a prostatic lesion where the pathologist cannot definitively classify it as benign or malignant based on current microscopic examination. It indicates an abnormal growth with features that are ambiguous, requiring further investigation or monitoring to determine its true biological potential.

Apply this code when pathology reports describe a prostate biopsy or surgical specimen as showing atypical glandular proliferation, prostatic intraepithelial neoplasia (PIN) of high grade that is suspicious but not diagnostic of carcinoma, or other findings that fall into the "uncertain behavior" category. Documentation must explicitly state the uncertain nature of the neoplasm.

• Do not use this code if the pathology definitively states benign (e.g., BPH) or malignant (e.g., adenocarcinoma).
• Distinguish carefully from codes for benign prostatic hyperplasia (BPH) or confirmed malignant neoplasms of the prostate.
• Always review the final pathology report; preliminary reports may be less definitive than the final diagnosis.