C81.74 vs Z85.71
C81.74 (Other Hodgkin lymphoma, lymph nodes of axilla and upper limb) compared with Z85.71 (Personal history of Hodgkin lymphoma), 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. C81.74 carries an Excludes1 note covering Z85.71: “personal history of Hodgkin lymphoma (Z85.71)”
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
| C81.74Other Hodgkin lymphoma, lymph nodes of axilla and upper limb | Z85.71Personal history of Hodgkin lymphoma | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | C00-D49 — Neoplasms (C00-D49) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Other Hodgkin lymphoma, lymph nodes of axilla and upper limb is a billable ICD-10-CM diagnosis code (C81.74). | Personal history of Hodgkin lymphoma is a billable ICD-10-CM diagnosis code (Z85.71). |
| Includes | — | Conditions classifiable to C81 |
| 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