O31.8X93 — Other complications specific to multiple gestation, unspecified trimester, fetus 3
Is O31.8X93 billable?
Yes, but O31.8X93 is an unspecified code. O31.8X93 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, O31.8X93 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 O31.8X93 — the more specific alternatives are listed below.
O31.8X93 at a glance
| Code | O31.8X93 |
|---|---|
| Description | Other complications specific to multiple gestation, unspecified trimester, fetus 3 |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "3" | fetus 3 |
What does the 7th character "3" mean in O31.8X93?
In O31.8X93, the 7th character 3 means fetus 3. The 7th character is required for O31.8X93 to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does O31.8X93 group to?
O31.8X93 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 O31.8X93 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under O31.8X, the nearest indexed parent of O31.8X93. Use them to find the family, then select the specific code.
- Pregnancy › complicated by › multiple gestations › specified complication NEC (single) (uterine)
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O31.8X93 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 O31.8X93 to fully describe the condition. O31.8X93 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 O31.8X93, but a patient may have both at the same time. When documentation supports it, O31.8X93 and the excluded code may both be reported.
Excludes2 — not included here — inherited from O31
The conditions below are not part of O31.8X93, but a patient may have both at the same time. When documentation supports it, O31.8X93 and the excluded code may both be reported.
How long has O31.8X93 existed?
O31.8X93 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.