O66.1

ICD-10-CM Coding Rules

• O66.1

• O66.1

Approximate Synonyms

• Interlocked twins

• Obstructed labor due to interlocked twins

Details

• O66.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM O66.1 became effective on October 1, 2022.

• This is the American ICD-10-CM version of O66.1 – other international versions of ICD-10 O66.1 may differ.