O43.231 — Placenta percreta, first trimester
Is O43.231 billable?
Yes — O43.231 is billable for FY2027. O43.231 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. O43.231 may be submitted for encounters from October 1, 2026 through September 30, 2027.
O43.231 at a glance
| Code | O43.231 |
|---|---|
| Description | Placenta percreta, first trimester |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does O43.231 group to?
O43.231 sits in MDC 14 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 769Postpartum and Post Abortion Diagnoses with O.R. Proceduressurgical
How is O43.231 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under O43.23, the nearest indexed parent of O43.231. Use them to find the family, then select the specific code.
- Percreta placenta
- Pregnancy › complicated by › placenta percreta (single) (uterine)
- Delivery › complicated › by › placenta, placental › percreta (childbirth) (labor)
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O43.231 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 O43.2
The conditions below can never be reported together with O43.231 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- retained placenta (O73.-)
Use additional code — inherited from Chapter 15
Report an additional code alongside O43.231 to fully describe the condition. O43.231 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 O43.231, but a patient may have both at the same time. When documentation supports it, O43.231 and the excluded code may both be reported.
Excludes2 — not included here — inherited from O43
The conditions below are not part of O43.231, but a patient may have both at the same time. When documentation supports it, O43.231 and the excluded code may both be reported.
Code also — inherited from O43.2
Two codes may be needed to describe the condition fully. Whether O43.231 is sequenced first depends on the reason for the encounter.
- associated third stage postpartum hemorrhage, if applicable (O72.0)
How long has O43.231 existed?
O43.231 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.