Z18 vs Z96.6
Z18 (Retained foreign body fragments) compared with Z96.6 (Presence of orthopedic joint implants), 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. Z18 carries an Excludes1 note covering Z96.6: “artificial joint prosthesis status (Z96.6-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. Z18 carries an Excludes1 note covering Z96.6: “organ or tissue replaced by means other than transplant (Z96.-, Z97.-)”
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
| Z18Retained foreign body fragments | Z96.6Presence of orthopedic joint implants | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| 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 | Retained foreign body fragments is a non-billable ICD-10-CM category code (Z18). | Presence of orthopedic joint implants is a non-billable ICD-10-CM category code (Z96.6). |
| Includes | embedded fragment (status) embedded splinter (status) retained foreign body status | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources