FY2027 ICD-10-CM reference
Z85: Personal history of malignant neoplasm
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Personal history of malignant neoplasm. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Nonbillable heading. Verified against the official FY2027 order file.
More specific FY2027 codes
- Z85.0: Personal history of malignant neoplasm of digestive organsNonbillable heading
- Z85.1: Personal history of malignant neoplasm of trachea, bronchus and lungNonbillable heading
- Z85.2: Personal history of malignant neoplasm of other respiratory and intrathoracic organsNonbillable heading
- Z85.3: Personal history of malignant neoplasm of breastBillable code
- Z85.4: Personal history of malignant neoplasm of genital organsNonbillable heading
- Z85.5: Personal history of malignant neoplasm of urinary tractNonbillable heading
- Z85.6: Personal history of leukemiaBillable code
- Z85.7: Personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissuesNonbillable heading
- Z85.8: Personal history of malignant neoplasms of other organs and systemsNonbillable heading
- Z85.9: Personal history of malignant neoplasm, unspecifiedBillable code
FY2027 Tabular instructions
Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.
Instructional note
Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. This can arise in two main ways:
Source: Z00-Z99 (chapter, inherited).
Instructional note
(a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination (immunization), or to discuss a problem which is in itself not a disease or injury.
Source: Z00-Z99 (chapter, inherited).
Instructional note
(b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury.
Source: Z00-Z99 (chapter, inherited).
Code also
any follow-up examination (Z08-Z09)
Source: Z77-Z99 (section, inherited).
Code first
any follow-up examination after treatment of malignant neoplasm (Z08)
Source: Z85 (category, direct).
Instructional note
code to identify:
Source: Z85 (category, direct).
Instructional note
alcohol use and dependence (F10.-)
Source: Z85 (category, direct).
Instructional note
exposure to environmental tobacco smoke (Z77.22)
Source: Z85 (category, direct).
Instructional note
history of tobacco dependence (Z87.891)
Source: Z85 (category, direct).
Instructional note
occupational exposure to environmental tobacco smoke (Z57.31)
Source: Z85 (category, direct).
Instructional note
tobacco dependence (F17.-)
Source: Z85 (category, direct).
Instructional note
tobacco use (Z72.0)
Source: Z85 (category, direct).
Excludes2
personal history of benign neoplasm (Z86.01-)
Source: Z85 (category, direct).
Excludes2
personal history of carcinoma-in-situ (Z86.00-)
Source: Z85 (category, direct).
Compare the FY2027 additions, removals and billable-status changes
What does Z85 mean in FY2027?
The official ICD-10-CM descriptor is Personal history of malignant neoplasm. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is Z85 billable in FY2027?
The FY2027 order file marks Z85 as a nonbillable heading. Select a complete billable child code.
Does Z85 map to an HCC?
Risk-model mapping is not applicable to this nonbillable heading. Check a complete billable child code.
Source: CMS FY2027 ICD-10-CM order file. Read the FY2027 Official Guidelines.
Review the FY2026 April edition