O31 Complications specific to multiple gestation
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The ICD-10-CM code for Complications specific to multiple gestation is O31 (FY2026). It is a non-billable category code — select a more specific code below for claims.
Classification
- Section
- O30-O48: Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
- Category O31
- 27 codes (20 billable)
- FY2026 Status
- Stable since FY2024
Official Coding Guidelines
7th character fetus identification; assign 0 in specified cases6) 7th character for fetus identification Where applicable, a 7th character is to be assigned for certain categories (O31, O32, O33.3 - O33.6, O35, O36, O40, O41, O60.1, O60.2, O64, and O69) to identify the fetus for which the complication code applies. Assign 7th character “0”: • For single gestations • When the documentation in the record is insufficient to determine the fetus affected and it is not possible to obtain clarification. • When it is not possible to clinically determine which fetus is affected.
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026
References
Cite This Page
Reference O31 with the canonical source and edition:
O31 — Complications specific to multiple gestation. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/O31
Canonical URL: https://icd10codingpro.com/codes/O31