O12.01 is the authoritative medical code for Gestational edema, first trimester. This classification is used in medical billing and clinical recording to specify the clinical criteria for gestational edema, first trimester (ICD-10-CM O12.01), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Gestational edema, first trimester is a billable ICD-10-CM diagnosis code O12.01.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to O12.01 in its code family, with their registry titles.
- O12 — Gestational [pregnancy-induced] edema and proteinuria without hypertension
- O12.0 — Gestational edema
- O12.02 — Gestational edema, second trimester
- O12.03 — Gestational edema, third trimester
- O12.04 — Gestational edema, complicating childbirth
- O12.05 — Gestational edema, complicating the puerperium
- O12.1 — Gestational proteinuria
- O12.10 — Gestational proteinuria, unspecified trimester
- O12.11 — Gestational proteinuria, first trimester
- O12.12 — Gestational proteinuria, second trimester
View all 20 codes in the O12 family