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Compare/O12.0 vs O26.0

O12.0 vs O26.0

O12.0 (Gestational edema) compared with O26.0 (Excessive weight gain in pregnancy), 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. O26.0 carries an Excludes2 note covering O12.0: “gestational edema (O12.0, O12.2)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

O12.0Gestational edemaO26.0Excessive weight gain in pregnancy
Billing statusNon-billable header

Report instead: O12.00, O12.01, O12.02, O12.03, O12.04

Non-billable header

Report instead: O26.00, O26.01, O26.02, O26.03

ClassificationO00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A)O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A)
DefinitionGestational edema is a non-billable ICD-10-CM category code (O12.0).Excessive weight gain in pregnancy is a non-billable ICD-10-CM category code (O26.0).
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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