{"code":"O64.0","type":"category","title":"Obstructed labor due to incomplete rotation of fetal head","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["O64.0XX0","O64.0XX1","O64.0XX2","O64.0XX3","O64.0XX4","O64.0XX5","O64.0XX9"],"inclusionTerms":["Deep transverse arrest","Obstructed labor due to persistent occipitoiliac (position)","Obstructed labor due to persistent occipitoposterior (position)","Obstructed labor due to persistent occipitosacral (position)","Obstructed labor due to persistent occipitotransverse (position)"],"sibling_titles":{"code":"O64.0XX9","title":"Obstructed labor due to incomplete rotation of fetal head, other fetus","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Obstructed labor due to incomplete rotation of fetal head is a non-billable ICD-10-CM category code (O64.0). A more specific billable subcode must be selected for claims submission. Inclusion terms: Deep transverse arrest; Obstructed labor due to persistent occipitoiliac (position); Obstructed labor due to persistent occipitoposterior (position); Obstructed labor due to persistent occipitosacral (position); Obstructed labor due to persistent occipitotransverse (position).","officialDefinition":"Obstructed labor due to incomplete rotation of fetal head is a non-billable ICD-10-CM category code (O64.0). A more specific billable subcode must be selected for claims submission. Inclusion terms: Deep transverse arrest; Obstructed labor due to persistent occipitoiliac (position); Obstructed labor due to persistent occipitoposterior (position); Obstructed labor due to persistent occipitosacral (position); Obstructed labor due to persistent occipitotransverse (position). 7th character: One of the following 7th characters is to be assigned to each code under category O64.  7th character 0 is for single gestations and multiple gestations where the fetus is unspecified.  7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O64 that has a 7th character of 1 through 9..","seventhCharacterInstructions":["One of the following 7th characters is to be assigned to each code under category O64.  7th character 0 is for single gestations and multiple gestations where the fetus is unspecified.  7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O64 that has a 7th character of 1 through 9."],"workflowProtocols":[],"guidelines":{"whenToUse":[],"whenNotToUse":[],"commonBillingMistakes":[],"codeComparisons":[],"documentationChecklist":[]},"domainLandscape":{"summary":"Primary diagnostic domain and clinical landscape evaluation.","keyCategories":[],"diagnosticContinuum":"Progression continuum from acute presentation to resolution."},"children":[],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":"","hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}