O12 – Gestational [pregnancy-induced] edema and proteinuria without hypertension
ICD-10-CM 2027 diagnosis code · Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
ICD-10-CM code
O12
- Code
O12(claims format:O12)- Description
- Gestational [pregnancy-induced] edema and proteinuria without hypertension
- Short description
- Gestational edema and proteinuria without hypertension
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 15. Pregnancy, childbirth and the puerperium (O00-O9A)
- Block
- O10-O16 Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
Billable codes under O12
O12 is a header code and cannot be used on claims. Choose the most specific code:
- O12.0 – Gestational edemaHeader (more codes below)
- O12.1 – Gestational proteinuriaHeader (more codes below)
- O12.2 – Gestational edema with proteinuriaHeader (more codes below)
Frequently asked questions
What is ICD-10 code O12?
O12 is the ICD-10-CM code for gestational [pregnancy-induced] edema and proteinuria without hypertension, in the block O10-O16 (Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium).
Is O12 a billable code?
No. O12 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.