R80 vs R88
R80 (Proteinuria) compared with R88 (Abnormal findings in other body fluids and substances), 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. R88 carries an Excludes2 note covering R80: “abnormal findings on examination of urine, without diagnosis (R80-R82)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| R80Proteinuria | R88Abnormal findings in other body fluids and substances | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Proteinuria is a non-billable ICD-10-CM category code (R80). | Abnormal findings in other body fluids and substances is a non-billable ICD-10-CM category code (R88). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources