O31.33X4: Continuing pregnancy after elective fetal reduction of one fetus or more, third trimester, fetus 4
O31.33X4 is the billable ICD-10-CM diagnosis code for Continuing pregnancy after elective fetal reduction of one fetus or more, third trimester, fetus 4. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code O31.33X4?
O31.33X4 is the ICD-10-CM diagnosis code for Continuing pregnancy after elective fetal reduction of one fetus or more, third trimester, fetus 4. It belongs to category O31 (Complications specific to multiple gestation).
Is O31.33X4 a billable code?
Yes. O31.33X4 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does O31.33X4 belong to?
O31.33X4 is part of ICD-10-CM category O31 — Complications specific to multiple gestation, which has 308 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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