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O12.0

⚠ Non-billable (Header)

Gestational edema

Pregnancy, childbirth and the puerperium (O00-O9A)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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✅ No additional coding notes for O12.0

Child Codes (6)

O12.00Gestational edema, unspecified trimesterO12.01Gestational edema, first trimesterO12.02Gestational edema, second trimesterO12.03Gestational edema, third trimesterO12.04Gestational edema, complicating childbirthO12.05Gestational edema, complicating the puerperium

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Code Information

CodeO12.0
BillableNo — Header code
ParentO12
CategoryPregnancy, childbirth and the puerperium (O00-O9A)
Excludes10 rule(s)
Excludes20 note(s)
Child codes6

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)