Oncology Coding:
Find the Key to This Immunotherapy Encounter
Published on Thu Apr 10, 2025
Question: What is the correct primary diagnosis code for Keytruda? Should I use Z51.11 or Z51.12? Also, does the diagnosis coding change if a patient receives only Keytruda, or if the patient receives a pre-medication and then the Keytruda? AAPC Forum Participant Answer: According to the
Keytruda website, the drug, coded to J9271 (Injection, pembrolizumab, 1 mg) is immunotherapy and should [...]