O12.01Billable
Gestational edema, first trimester
- Chapter
- 15. Pregnancy, childbirth and the puerperium
- Category
- O12
- Effective date
- October 1, 2026
Related codes in category O12
O12Gestational edema and proteinuria without hypertensionO12.0Gestational edemaO12.00Gestational edema, unspecified trimesterYesO12.02Gestational edema, second trimesterYesO12.03Gestational edema, third trimesterYesO12.04Gestational edema, complicating childbirthYesO12.05Gestational edema, complicating the puerperiumYesO12.1Gestational proteinuriaO12.10Gestational proteinuria, unspecified trimesterYesO12.11Gestational proteinuria, first trimesterYesO12.12Gestational proteinuria, second trimesterYesO12.13Gestational proteinuria, third trimesterYes
Frequently asked questions
What is ICD-10 code O12.01?
O12.01 is an ICD-10-CM diagnosis code for Gestational edema, first trimester.
Is O12.01 a billable code?
Yes. O12.01 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is O12.01 in?
O12.01 falls under Chapter 15: Pregnancy, childbirth and the puerperium.
When did O12.01 become effective?
O12.01 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to O12.01?
O12.01 belongs to category O12, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.