Z85 vs Z86.006
Z85 (Personal history of malignant neoplasm) compared with Z86.006 (Personal history of melanoma in-situ), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. Z85 carries an Excludes2 note covering Z86.006: “personal history of carcinoma-in-situ (Z86.00-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. Z86.006 carries an Excludes2 note covering Z85: “personal history of malignant neoplasms (Z85.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Z85Personal history of malignant neoplasm | Z86.006Personal history of melanoma in-situ | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Personal history of malignant neoplasm is a non-billable ICD-10-CM category code (Z85). | Personal history of melanoma in-situ is a billable ICD-10-CM diagnosis code (Z86.006). |
| Includes | — | Conditions classifiable to D03 |
| Use additional code | code to identify: alcohol use and dependence (F10.-) exposure to environmental tobacco smoke (Z77.22) | — |
| Code first | any follow-up examination after treatment of malignant neoplasm (Z08) | any follow-up examination after treatment (Z09) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources