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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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Code lookupZ85

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 guidance

Personal 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

Inclusion Terms

Official

No 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-)

Includes

Official

No Includes notes are included in this display for Z85. Check the code and parent instructions in the Code Book.

Excludes 1

Official

No 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

  • personal history of benign neoplasm (Z86.01-)
  • personal history of carcinoma-in-situ (Z86.00-)

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 First

  • any follow-up examination after treatment of malignant neoplasm (Z08)

Child Codes

Code Hierarchy

└Z85Personal history of malignant neoplasm
└Z85Personal history of malignant neoplasm

More on Z85

Related condition guides

Referenced in blog posts

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