Z91.15 vs Z99.2
Z91.15 (Patient's noncompliance with renal dialysis) compared with Z99.2 (Dependence on renal dialysis), 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. Z99.2 carries an Excludes2 note covering Z91.15: “noncompliance with renal dialysis (Z91.15-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Z91.15Patient's noncompliance with renal dialysis | Z99.2Dependence on renal dialysis | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| 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 | Patient's noncompliance with renal dialysis is a non-billable ICD-10-CM category code (Z91.15). | Dependence on renal dialysis is a billable ICD-10-CM diagnosis code (Z99.2). |
| Includes | — | Hemodialysis status Peritoneal dialysis status Presence of arteriovenous shunt for dialysis Renal dialysis status NOS |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources