ICD-10-CM>O00-O9A>O60-O77>O63O63Long laborNon-Billable/Non-SpecificCodesO63.0Prolonged first stage (of labor)O63.1Prolonged second stage (of labor)O63.2Delayed delivery of second twin, triplet, etc.O63.9Long labor, unspecified
ICD-10 Fast