O31.41X4 — Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 4
Is O31.41X4 billable?
Yes — O31.41X4 is billable for FY2027. O31.41X4 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. O31.41X4 may be submitted for encounters from October 1, 2026 through September 30, 2027. O31.41X4 is new in FY2027.
O31.41X4 at a glance
| Code | O31.41X4 |
|---|---|
| Description | Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 4 |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "4" | fetus 4 |
| FY2027 change | New in FY2027 |
What does the 7th character "4" mean in O31.41X4?
In O31.41X4, the 7th character 4 means fetus 4. The 7th character is required for O31.41X4 to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does O31.41X4 group to?
O31.41X4 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 O31.41X4 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under O31.4, the nearest indexed parent of O31.41X4. Use them to find the family, then select the specific code.
- Syndrome › vanishing twin of one fetus or more
- Pregnancy › continuing following › vanishing twin syndrome of one fetus or more (single) (uterine)
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O31.41X4 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 O31.41X4 to fully describe the condition. O31.41X4 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 O31.41X4, but a patient may have both at the same time. When documentation supports it, O31.41X4 and the excluded code may both be reported.
Excludes2 — not included here — inherited from O31
The conditions below are not part of O31.41X4, but a patient may have both at the same time. When documentation supports it, O31.41X4 and the excluded code may both be reported.