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2025 ICD-10-CM code Z85.79

Personal history of other malignant neoplasms of lymphoid, hematopoietic, and related tissues. Conditions classifiable to C88-C90, C96.

A corresponding procedure code must accompany a Z code if a procedure is performed. 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.-), tobacco use (Z72.0).

The medical necessity for using Z85.79 is to accurately reflect a patient's medical history, which can inform current and future care decisions. This code should not be used as a primary diagnosis if the patient is actively being treated for cancer.

In simple words: This code indicates a history of other cancers related to the blood, bone marrow, or lymphatic system.

Personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues. This code is used to document a past diagnosis of these cancers when the patient is not currently undergoing treatment.It excludes multiple myeloma in remission (C90.01), plasma cell leukemia in remission (C90.11), and plasmacytoma in remission (C90.21).

Example 1: A patient presents for a routine check-up and reports a history of hairy cell leukemia, which is now in remission. The code Z85.79 would be used., A patient with a history of Burkitt's lymphoma, now cured, is seen for an unrelated issue.Code Z85.79 is appropriate., A patient is being evaluated for a new health concern. During the history intake, it is revealed they had a previous diagnosis of a malignant immunoproliferative disease, now in remission. Z85.79 should be used to indicate this past malignancy.

Documentation should support the past diagnosis of a malignant neoplasm of lymphoid, hematopoietic, or related tissue. This may include pathology reports, discharge summaries, or physician notes from previous treatments.

** Excludes1: multiple myeloma in remission (C90.01), plasma cell leukemia in remission (C90.11), plasmacytoma in remission (C90.21). Excludes2: personal history of benign neoplasm (Z86.01-), personal history of carcinoma-in-situ (Z86.00-).

  • Specialties:Oncology, Hematology, Internal Medicine, Family Medicine
  • Place of Service:Office, Inpatient Hospital, Outpatient Hospital
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