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Compare/O12.1 vs R80

O12.1 vs R80

O12.1 (Gestational proteinuria) compared with R80 (Proteinuria), 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. R80 carries an Excludes1 note covering O12.1: “gestational proteinuria (O12.1-)”

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

O12.1Gestational proteinuriaR80Proteinuria
Billing statusNon-billable header

Report instead: O12.10, O12.11, O12.12, O12.13, O12.14

Non-billable header

Report instead: R80.0, R80.1, R80.2, R80.3, R80.8

ClassificationO00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A)R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99)
DefinitionGestational proteinuria is a non-billable ICD-10-CM category code (O12.1).Proteinuria is a non-billable ICD-10-CM category code (R80).
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources