T85.735 vs Z93
T85.735 (Infection and inflammatory reaction due to cranial or spinal infusion catheter) compared with Z93 (Artificial opening status), 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. T85.735 carries an Excludes2 note covering Z93: “artificial opening status (Z93.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| T85.735Infection and inflammatory reaction due to cranial or spinal infusion catheter | Z93Artificial opening status | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Infection and inflammatory reaction due to cranial or spinal infusion catheter is a non-billable ICD-10-CM category code (T85.735). | Artificial opening status is a non-billable ICD-10-CM category code (Z93). |
| 7th character | The appropriate 7th character is to be added to each code from category T85 | — |
| Includes | Infection and inflammatory reaction due to epidural catheter Infection and inflammatory reaction due to intrathecal infusion catheter Infection and inflammatory reaction due to subarachnoid catheter Infection and inflammatory reaction due to subdural catheter | — |
| Use additional code | code to identify infection code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) code(s) to identify the specified condition resulting from the complication | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources