1. O63 Long labor

    1. O63.0 Prolonged first stage (of labor)

    2. O63.1 Prolonged second stage (of labor)

    3. O63.2 Delayed delivery of second twin, triplet, etc.

    4. O63.9 Long labor, unspecified

      Inclusion term(s):

      • Prolonged labor NOS
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.