G97.0 (Cerebrospinal fluid leak from spinal puncture) compared with T85.850 (Stenosis due to nervous system prosthetic devices, implants and grafts), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“cerebrospinal fluid leak from spinal puncture (G97.0)”
An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.
Source: CMS ICD-10-CM tabular instructional notes
Yes, when both are documented. T85.850 carries an Excludes2 note covering G97.0: “cerebrospinal fluid leak from spinal puncture (G97.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| G97.0Cerebrospinal fluid leak from spinal puncture | T85.850Stenosis due to nervous system prosthetic devices, implants and grafts | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | G00-G99 — Diseases of the Nervous System (G00-G99) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Cerebrospinal fluid leak from spinal puncture is a billable ICD-10-CM diagnosis code (G97.0). | Stenosis due to nervous system prosthetic devices, implants and grafts is a non-billable ICD-10-CM category code (T85.850). |
| 7th character | — | The appropriate 7th character is to be added to each code from category T85 |
| Use additional code | — | 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 code to identify devices involved and details of circumstances (Y62-Y82) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources