Z85.6 is the authoritative medical code for Personal history of leukemia. This classification is used in medical billing and clinical recording to specify the clinical criteria for personal history of leukemia (ICD-10-CM Z85.6), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Personal history of leukemia is a billable ICD-10-CM diagnosis code Z85.6. Inclusion terms: Conditions classifiable to C91-C95. Excludes1 (not coded here): leukemia in remission C91.0-C95.9 with 5th character 1. Excludes2 (not included here): personal history of benign neoplasm Z86.01-; personal history of carcinoma-in-situ Z86.00-. Code first: any follow-up examination after treatment of malignant neoplasm Z08. Use additional code: 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. Code also: any follow-up examination Z08-Z09.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for Z85.6 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Conditions classifiable to C91-C95
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- leukemia in remission C91.0-C95.9 with 5th character 1
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- personal history of benign neoplasm Z86.01-
- personal history of carcinoma-in-situ Z86.00-
Code First
Underlying conditions that must be sequenced before this code.
- any follow-up examination after treatment of malignant neoplasm Z08
Code Also
Additional codes that may be required to fully describe the encounter.
- any follow-up examination Z08-Z09
Use Additional Code
Supplementary codes the tabular list directs you to add.
- 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
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with Z85.6?
Per official ICD-10-CM Excludes1 instructions, Z85.6 must not be reported together with: leukemia in remission C91.0-C95.9 with 5th character 1.
Can Z85.6 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, Z85.6 and the following are not considered part of each other and may both be reported when both conditions are present: personal history of benign neoplasm (Z86.01-); personal history of carcinoma-in-situ (Z86.00-).
Does Z85.6 need to be sequenced after another code?
Yes. Code first: any follow-up examination after treatment of malignant neoplasm (Z08).
Is an additional code needed with Z85.6?
Use additional code(s) to specify: code to identify:; alcohol use and dependence (F10.-); exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891).
What conditions are included under Z85.6?
Personal history of leukemia includes: Conditions classifiable to C91-C95.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to Z85.6 in its code family, with their registry titles.
- Z85 — Personal history of malignant neoplasm
- Z85.0 — Personal history of malignant neoplasm of digestive organs
- Z85.01 — Personal history of malignant neoplasm of esophagus
- Z85.02 — Personal history of malignant neoplasm of stomach
- Z85.020 — Personal history of malignant carcinoid tumor of stomach
- Z85.028 — Personal history of other malignant neoplasm of stomach
- Z85.03 — Personal history of malignant neoplasm of large intestine
- Z85.030 — Personal history of malignant carcinoid tumor of large intestine
- Z85.038 — Personal history of other malignant neoplasm of large intestine
- Z85.04 — Personal history of malignant neoplasm of rectum, rectosigmoid junction, and anus
View all 40 codes in the Z85 family
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- History, personal (of), leukemia