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O12.01

Billable

Gestational edema, first trimester

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Swelling in the legs, feet, or hands that develops during the first three months of pregnancy due to fluid retention.

Coding Tips

  • •First trimester is weeks 1-13; confirm timing in documentation before coding
  • •This is a normal pregnancy-related condition and typically resolves postpartum

Code Hierarchy

└O12Gestational [pregnancy-induced] edema and proteinuria without hypertension└O12.0Gestational edema└O12.01Gestational edema, first trimester
└O12.01Gestational edema, first trimester

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