10ICD Code Hub

O66.4

Header — not billable

Failed trial of labor

The ICD-10 code for failed trial of labor is O66.4.

O66.4 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under O66.4

Related codes in this category