O66.40 - Failed trial of labor, unspecified

Applicable to Failed trial of labor, unspecified
The 2025 edition of ICD10-CM O66.40 became effective on October 1, 2024.
This is the American ICD10-CM version of O66.40 - other international versions of ICD10 O66.40 may differ.
O66.40 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above O66.40 contain annotation back-references that may be applicable to O66.40: