Question:
The oncologist notes that a prostate biopsy reveals “high-grade prostatic intraepithelial neoplasia (PIN-III).” I can’t find this in the neoplasm table. What is the correct diagnosis code?
New York Subscriber
Answer:
For high-grade PIN III you should use 233.4 (Carcinoma in situ of breast and genitourinary system; Prostate).
Although the neoplasm table in the ICD-9 manual’s index does not offer enough information to help you choose 233.4 for PIN III, you will find a “PIN III” entry [...]
