Z85.6 Personal history of leukemia

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Conditions classifiable to C91-C95

Excludes1 (never code together)

• leukemia in remission C91.0-C95.9 with 5th character 1

Applies from Z85 Personal history of malignant neoplasm

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)

MS-DRG index

Defines the logic of DRG(s) 826-828 in MDC 17.

Approximate ICD-9-CM (GEMs)

• V10.60 Personal history of leukemia, unspecified (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.

Code annotations containing back-references to Z85.6

Back-references to Z85.6

• Type 1 Excludes: C91 Lymphoid leukemia ("personal history of leukemia (Z85.6)")
• Type 1 Excludes: C92 Myeloid leukemia ("personal history of leukemia (Z85.6)")
• Type 1 Excludes: C93 Monocytic leukemia ("personal history of leukemia (Z85.6)")
• Type 1 Excludes: C94 Other leukemias of specified cell type ("personal history of leukemia (Z85.6)")
• Type 1 Excludes: C95 Leukemia of unspecified cell type ("personal history of leukemia (Z85.6)")

Back-references to Z85

• Use Additional: Z08 Encounter for follow-up examination after completed treatment for malignant neoplasm ("code to identify the personal history of malignant neoplasm (Z85.-)")
• Use Additional: Z15.0 Genetic susceptibility to malignant neoplasm ("code, if applicable, for any personal history of malignant neoplasm (Z85.-)")
• Type 2 Excludes: Z86.0 Personal history of in-situ and benign neoplasms and neoplasms of uncertain behavior ("personal history of malignant neoplasms (Z85.-)")

Diagnosis Index entries for Z85.6

• History › personal (of) › leukemia

Nearby codes

• Z85.520 Personal history of malignant carcinoid tumor of kidney
• Z85.528 Personal history of other malignant neoplasm of kidney
• Z85.53 Personal history of malignant neoplasm of renal pelvis
• Z85.54 Personal history of malignant neoplasm of ureter
• Z85.59 Personal history of malignant neoplasm of other urinary tract organ
• Z85.6 Personal history of leukemia (this code)
• Z85.7 Personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues
• Z85.71 Personal history of Hodgkin lymphoma
• Z85.72 Personal history of non-Hodgkin lymphomas
• Z85.79 Personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues
• Z85.8 Personal history of malignant neoplasms of other organs and systems