Z85.858 – Personal history of malignant neoplasm of other endocrine glands

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 Z85.858

Code: Z85.858 (claims format: Z85858)
Description: Personal history of malignant neoplasm of other endocrine glands
Short description: Personal history of malignant neoplasm of endocrine glands
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 › Z85.8 › Z85.85

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)

Z85.8 – Personal history of malignant neoplasms of other organs and systems

Applicable to:

Conditions classifiable to C00-C14, C40-C49, C69-C75, C7A.098, C76-C79

Z85.85 – Personal history of malignant neoplasm of endocrine glands

Applicable to:

Conditions classifiable to C73-C75

Block Z77-Z99

Code also:

any follow-up examination (Z08-Z09)

Index terms for Z85.858

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

History, personal, malignant neoplasm, endocrine gland NEC

Related codes in Z85.85

Z85.850 – Personal history of malignant neoplasm of thyroidBillable

Frequently asked questions

What is ICD-10 code Z85.858?

Z85.858 is the ICD-10-CM code for personal history of malignant neoplasm of other endocrine glands, in the block Z77-Z99 (Persons with potential health hazards related to family and personal history and certain conditions influencing health status).

Is Z85.858 a billable code?

Yes. Z85.858 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Z85.858 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.