O12 — Gestational [pregnancy-induced] edema and proteinuria without hypertension
Is O12 billable?
No — O12 is a non-billable header code. O12 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 18 billable codes beneath O12.
Billable codes under this header
- O12.00Gestational edema, unspecified trimester
- O12.01Gestational edema, first trimester
- O12.02Gestational edema, second trimester
- O12.03Gestational edema, third trimester
- O12.04Gestational edema, complicating childbirth
- O12.05Gestational edema, complicating the puerperium
- O12.10Gestational proteinuria, unspecified trimester
- O12.11Gestational proteinuria, first trimester
- O12.12Gestational proteinuria, second trimester
- O12.13Gestational proteinuria, third trimester
- O12.14Gestational proteinuria, complicating childbirth
- O12.15Gestational proteinuria, complicating the puerperium
- O12.20Gestational edema with proteinuria, unspecified trimester
- O12.21Gestational edema with proteinuria, first trimester
- O12.22Gestational edema with proteinuria, second trimester
- O12.23Gestational edema with proteinuria, third trimester
- O12.24Gestational edema with proteinuria, complicating childbirth
- O12.25Gestational edema with proteinuria, complicating the puerperium
O12 at a glance
| Code | O12 |
|---|---|
| Description | Gestational [pregnancy-induced] edema and proteinuria without hypertension |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O12 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- supervision of normal pregnancy (Z34.-)
Use additional code — inherited from Chapter 15
Report an additional code alongside O12 to fully describe the condition. O12 is sequenced first.
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Excludes2 — not included here — inherited from Chapter 15
The conditions below are not part of O12, but a patient may have both at the same time. When documentation supports it, O12 and the excluded code may both be reported.
What codes fall under O12? (3)
How long has O12 existed?
O12 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.