Z85 ICD-10-CM Code: Personal history of malignant neoplasm
Z85 is not a CMS-HCC payment code. MEAT criteria · RAF Calculator · free HCC coding tools
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FY 2026 Apr update / Factors influencing health status and contact with health services (Z00-Z99) / Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
Z85
Header CodeICD-10-CMOfficial ICD-10-CMCodebook guidancePersonal history of malignant neoplasm
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
OfficialNo inclusion terms are included in this display for Z85. Check the code and parent instructions in the Code Book.
Excludes 2
Official- personal history of benign neoplasm (Z86.01-)
- personal history of carcinoma-in-situ (Z86.00-)
Related Codes
Includes
OfficialNo Includes notes are included in this display for Z85. Check the code and parent instructions in the Code Book.
Excludes 1
OfficialNo Excludes 1 notes are included in this display for Z85. Check the code and parent instructions in the Code Book.
Code First
Official- any follow-up examination after treatment of malignant neoplasm (Z08)
Use Additional
Official- 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
Official- any follow-up examination (Z08-Z09)Inherited from Z77-Z99
Served edition: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
- Code
- Z85
- Description
- Personal history of malignant neoplasm
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF reference coefficient
- —
- Billable
- No
- Payment year
- 2026
Coder workflow notes
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What This Code Means
Z85 is the ICD-10-CM diagnosis code for personal history of malignant neoplasm. Z85 sits in the ICD-10-CM chapter for factors influencing health status and contact with health services (z00-z99), within the section covering persons with potential health hazards related to family and personal history and certain conditions influencing health status (z77-z99).
Header codes like Z85 cannot be reported on claims directly; they organize child codes that share clinical context. Coders should select the billable child code that matches the documented presentation and then verify its current source-backed HCC mapping. Do not infer a child code or risk adjustment value from the header alone.
HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for Z85 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Excludes 2, Not included here, may code separately
Use Additional Code
Code First
- any follow-up examination after treatment of malignant neoplasm (Z08)

