O09.829 — Supervision of pregnancy with history of in utero procedure during previous pregnancy, unspecified trimester
Is O09.829 billable?
Yes, but O09.829 is an unspecified code. O09.829 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, O09.829 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting O09.829 — the more specific alternatives are listed below.
More specific alternatives
- O09.821Supervision of pregnancy with history of in utero procedure during previous pregnancy, first trimester
- O09.822Supervision of pregnancy with history of in utero procedure during previous pregnancy, second trimester
- O09.823Supervision of pregnancy with history of in utero procedure during previous pregnancy, third trimester
O09.829 at a glance
| Code | O09.829 |
|---|---|
| Description | Supervision of pregnancy with history of in utero procedure during previous pregnancy, unspecified trimester |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What Medicare edits apply to O09.829?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name O09.829 directly.
CMS will reject this code as the principal diagnosis on an inpatient claim. It describes something other than the condition chiefly responsible for the admission.
Which MS-DRGs does O09.829 group to?
O09.829 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.
- 998—
How is O09.829 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under O09.82, the nearest indexed parent of O09.829. Use them to find the family, then select the specific code.
- Pregnancy › complicated by › history of in utero procedure during previous pregnancy (single) (uterine)
- Pregnancy › supervision of › high-risk › due to › in utero procedure during previous pregnancy (single) (uterine)
Excludes1 — never code together
The conditions below can never be reported together with O09.829 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 pregnancy affected by in utero procedure during current pregnancy (O35.7)
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O09.829 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 O09.829 to fully describe the condition. O09.829 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 O09.829, but a patient may have both at the same time. When documentation supports it, O09.829 and the excluded code may both be reported.
How long has O09.829 existed?
O09.829 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.
What other codes are in the O09.82 family? (3)
- O09.821Supervision of pregnancy with history of in utero procedure during previous pregnancy, first trimester
- O09.822Supervision of pregnancy with history of in utero procedure during previous pregnancy, second trimester
- O09.823Supervision of pregnancy with history of in utero procedure during previous pregnancy, third trimester