O14.1 — Severe pre-eclampsia
Is O14.1 billable?
No — O14.1 is a non-billable header code. O14.1 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 5 billable codes beneath O14.1.
O14.1 at a glance
| Code | O14.1 |
|---|---|
| Description | Severe pre-eclampsia |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is O14.1 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to O14.1. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Pre-eclampsia › severe
- Pregnancy › complicated by › pre-eclampsia › severe (single) (uterine)
- Hypertension, hypertensive › complicating › pregnancy › gestational › with proteinuria › severe pre-eclampsia (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)
Excludes1 — never code together
The conditions below can never be reported together with O14.1 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- HELLP syndrome (O14.2-)
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O14.1 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.-)
Excludes1 — never code together — inherited from O14
The conditions below can never be reported together with O14.1 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- pre-existing hypertension with pre-eclampsia (O11)
Use additional code — inherited from Chapter 15
Report an additional code alongside O14.1 to fully describe the condition. O14.1 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 O14.1, but a patient may have both at the same time. When documentation supports it, O14.1 and the excluded code may both be reported.
What codes fall under O14.1? (5)
How long has O14.1 existed?
O14.1 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.
Which codes are confused with O14.1?
ICD-10-CM declares these codes mutually exclusive with O14.1 — exactly one of each pair can be correct for a given encounter.