Z85.9 – Personal history of malignant neoplasm, unspecified

ICD-10-CM 2027 diagnosis code · Persons with potential health hazards related to family and personal history and certain conditions influencing health status

Billable code

ICD-10-CM code Z85.9
Code
Z85.9 (claims format: Z859)
Description
Personal history of malignant neoplasm, unspecified
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
21. Factors influencing health status and contact with health services (Z00-Z99)
Block
Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status
Parent codes
Z85

Notes for Z85.9

Applicable to:

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

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)

Block Z77-Z99

Code also:
  • any follow-up examination (Z08-Z09)

Index terms for Z85.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Z85

Frequently asked questions

What is ICD-10 code Z85.9?

Z85.9 is the ICD-10-CM code for personal history of malignant neoplasm, unspecified, in the block Z77-Z99 (Persons with potential health hazards related to family and personal history and certain conditions influencing health status).

Is Z85.9 a billable code?

Yes. Z85.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Z85.9 belong to?

It belongs to category Z85 – Personal history of malignant neoplasm.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.