O12.0
⚠ Non-billable
Gestational edema
ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium
Code
O12.0
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Pregnancy, Childbirth and the Puerperium
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code O12.0?
ICD-10-CM code O12.0 represents Gestational edema. It is a non-billable header code requiring a more specific subcategory in the Pregnancy, Childbirth and the Puerperium chapter, effective October 1, 2025 – September 30, 2026.
Is O12.0 billable?
No. O12.0 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is O12.0 in?
O12.0 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.
Related codes in the O12 category
O12
Gestational [pregnancy-induced] edema and proteinuria without hypertension
Non-billable
O12.1
Gestational proteinuria
Non-billable
O12.2
Gestational edema with proteinuria
Non-billable
O12.00
Gestational edema, unspecified trimester
Billable
O12.01
Gestational edema, first trimester
Billable
O12.02
Gestational edema, second trimester
Billable
O12.03
Gestational edema, third trimester
Billable
O12.04
Gestational edema, complicating childbirth
Billable
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