O31
Non-billableComplications specific to multiple gestation
O31 is the ICD-10-CM code for Complications specific to multiple gestation. It is a non-billable category code — use a more specific child code such as O31.0 for billing.
- Status
- Header (non-billable)
- Chapter
- O00-O9A
- Subcodes
- 5
- Edition
- FY2026
O00-O9A Pregnancy, childbirth and the puerperium
What this means — in plain language
MedlinePlus · NIHIf you are pregnant with more than one baby, you are far from alone. Multiple births are up in the United States. More women are having babies after age 30 and more are taking fertility drugs. Both boost the chance of carrying more than one baby. A family history of twins also makes multiples more likely. Years ago, most twins came as a surprise. Now, most women know about a multiple pregnancy early. Women with…
Read more about Twins, Triplets, Multiple Births at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes2 — not included here
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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