O34.521 — Maternal care for prolapse of gravid uterus, first trimester
Is O34.521 billable?
Yes — O34.521 is billable for FY2027. O34.521 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. O34.521 may be submitted for encounters from October 1, 2026 through September 30, 2027.
O34.521 at a glance
| Code | O34.521 |
|---|---|
| Description | Maternal care for prolapse of gravid uterus, first trimester |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does O34.521 group to?
O34.521 sits in MDC 14 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 817Other Antepartum Diagnoses with O.R. Procedures with MCCsurgical
- 818Other Antepartum Diagnoses with O.R. Procedures with CCsurgical
- 819Other Antepartum Diagnoses with O.R. Procedures without CC/MCCsurgical
How is O34.521 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under O34.52, the nearest indexed parent of O34.521. Use them to find the family, then select the specific code.
- Pregnancy › complicated by › prolapse, uterus (single) (uterine)
- Delivery › cesarean › prolapse › uterus (childbirth) (labor)
- Delivery › complicated › by › prolapse › uterus (childbirth) (labor)
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O34.521 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.-)
Code first — inherited from O34
The underlying condition below must be sequenced before O34.521. O34.521 describes a manifestation and cannot be the principal or first-listed diagnosis.
- any associated obstructed labor (O65.5)
Use additional code — inherited from Chapter 15
Report an additional code alongside O34.521 to fully describe the condition. O34.521 is sequenced first.
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Use additional code — inherited from O34
Report an additional code alongside O34.521 to fully describe the condition. O34.521 is sequenced first.
- code for specific condition
Excludes2 — not included here — inherited from Chapter 15
The conditions below are not part of O34.521, but a patient may have both at the same time. When documentation supports it, O34.521 and the excluded code may both be reported.
How long has O34.521 existed?
O34.521 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.