Z85.85 Personal history of malignant neoplasm of endocrine glands

The ICD-10-CM code for Personal history of malignant neoplasm of endocrine glands is Z85.85 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Chapter

21: Factors influencing health status and contact with health services (Z00-Z99)

Section

Z77-Z99: Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)

Category Z85

80 codes (60 billable)

FY2026 Status

Stable since FY2024

Inclusion Terms

• Conditions classifiable to C73-C75

Official Coding Guidelines

Z85.0-Z85.85 only for former site of primary malignancy

Codes from subcategories Z85.0 - Z85.85 should only be assigned for the former site of a primary malignancy, not the site of a secondary malignancy.

Used with any code in range A00.0-T88.9, Z00-Z99

1) Used with any code in the range of A00.0-T88.9, Z00-Z99 An external cause code may be used with any code in the range of A00.0-T88.9, Z00-Z99, classification that represents a health condition due to an external cause. Though they are most applicable to injuries, they are also valid for use with such things as infections or diseases due to an external source, and other health conditions, such as a heart attack that occurs during strenuous physical activity.

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool

Cite This Page

Reference Z85.85 with the canonical source and edition:

Z85.85 — Personal history of malignant neoplasm of endocrine glands. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/Z85.85

Canonical URL: https://icd10codingpro.com/codes/Z85.85