O24.439 — Gestational diabetes mellitus in the puerperium, unspecified control
Is O24.439 billable?
Yes, but O24.439 is an unspecified code. O24.439 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, O24.439 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 O24.439 — the more specific alternatives are listed below.
O24.439 at a glance
| Code | O24.439 |
|---|---|
| Description | Gestational diabetes mellitus in the puerperium, unspecified control |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does O24.439 group to?
O24.439 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 O24.439 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to O24.439. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Diabetes, diabetic › gestational › puerperal (mellitus) (sugar)
- Puerperal, puerperium › gestational › diabetes (complicated by, complications)
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O24.439 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 O24.439 to fully describe the condition. O24.439 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 O24.439, but a patient may have both at the same time. When documentation supports it, O24.439 and the excluded code may both be reported.
Excludes2 — not included here — inherited from O20-O29
The conditions below are not part of O24.439, but a patient may have both at the same time. When documentation supports it, O24.439 and the excluded code may both be reported.
How long has O24.439 existed?
O24.439 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.