ICD-10 Guide

O66.1

Name: ICD-10-CM Medical Diagnosis Codes
Creator: Centers for Medicare & Medicaid Services
License: https://www.cms.gov/medicare/coding/icd10

Billable

Obstructed labor due to locked twins

BILLABLE STATUSYes

IMPLEMENTATION DATEOctober 1, 2015

LAST UPDATED08/26/2025

Code Description

ICD-10 O66.1 is a billable code used to indicate a diagnosis of obstructed labor due to locked twins.

Key Diagnostic Point:

Obstructed labor due to locked twins

O66.1

Code Description

Key Diagnostic Point:

Related ICD-10 Codes

O66.1

Code Description

Key Diagnostic Point:

Related ICD-10 Codes