O12.0 – Gestational edema
ICD-10-CM 2027 diagnosis code · Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
- Code
O12.0(claims format:O120)- Description
- Gestational edema
- 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
- Parent codes
- O12
Billable codes under O12.0
O12.0 is a header code and cannot be used on claims. Choose the most specific code:
- O12.00 – Gestational edema, unspecified trimesterBillable
- O12.01 – Gestational edema, first trimesterBillable
- O12.02 – Gestational edema, second trimesterBillable
- O12.03 – Gestational edema, third trimesterBillable
- O12.04 – Gestational edema, complicating childbirthBillable
- O12.05 – Gestational edema, complicating the puerperiumBillable
Index terms for O12.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in O12
Frequently asked questions
What is ICD-10 code O12.0?
O12.0 is the ICD-10-CM code for gestational edema, in the block O10-O16 (Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium).
Is O12.0 a billable code?
No. O12.0 is a header code with more specific child codes; report one of the billable codes listed above.
What category does O12.0 belong to?
It belongs to category O12 – Gestational [pregnancy-induced] edema and proteinuria without hypertension.
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.