C96 vs Z85.79
C96 (Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue) compared with Z85.79 (Personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. C96 carries an Excludes1 note covering Z85.79: “personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| C96Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue | Z85.79Personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | C00-D49 — Neoplasms (C00-D49) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue is a non-billable ICD-10-CM category code (C96). | Personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues is a billable ICD-10-CM diagnosis code (Z85.79). |
| Includes | — | Conditions classifiable to C88-C90, C96 |
| 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) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources