If a primary site, due to excision or therapy, no longer exists and the patient is receiving treatment for a secondary site, the primary site is coded with:

Question

Quizplus · Accepted Answer

When a primary site no longer exists due to excision or therapy, and the patient is receiving treatment for a secondary site, a personal history Z code is used to indicate the history of the primary condition. This helps in documenting the patient's medical history accurately for ongoing treatment and surveillance.

If a Primary Site, Due to Excision or Therapy, No