In simple words: This code indicates that the patient has a history of leukemia.

Personal history of leukemia. This code is used to indicate a past diagnosis of leukemia, where the patient is no longer actively receiving treatment.It includes conditions classifiable to C91-C95.

Example 1: A patient presents for a routine physical examination.In the patient's history, it is documented that they were treated for acute lymphoblastic leukemia five years prior and are currently in remission. Z85.6 would be used to document the personal history of leukemia., A patient with a history of chronic myeloid leukemia, now in remission, presents with a new complaint of a cough and fever.The cough and fever would be coded with the appropriate ICD-10-CM codes, and Z85.6 would be used to indicate the patient's history of leukemia, which may influence treatment decisions., A patient is being screened for a clinical trial. They disclose a history of leukemia that was successfully treated ten years ago. Z85.6 is used to document this history as part of their eligibility assessment.

Documentation of the type of leukemia, date of diagnosis, and current status (e.g., remission, active treatment) should be present in the medical record.

** Excludes1: leukemia in remission (C91.0-C95.9 with 5th character 1).Excludes2: personal history of benign neoplasm (Z86.01-) and personal history of carcinoma-in-situ (Z86.00-).Code first any follow-up examination after treatment of malignant neoplasm (Z08).Use additional code to identify: alcohol use and dependence (F10.-), exposure to environmental tobacco smoke (Z77.22), history of tobacco dependence (Z87.891), occupational exposure to environmental tobacco smoke (Z57.31), tobacco dependence (F17.-), and tobacco use (Z72.0).