{"code":"O31.1","type":"code","title":"Continuing pregnancy after spontaneous abortion of one fetus or more","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["delayed delivery of second twin, triplet, etc. (O63.2)","malpresentation of one fetus or more (O32.9)","placental transfusion syndromes (O43.0-)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["O31.10","O31.11","O31.12","O31.13"],"inclusionTerms":[],"sibling_titles":{"code":"O31.13","title":"Continuing pregnancy after spontaneous abortion of one fetus or more, third trimester","isBillable":false},"useAdditionalCode":[],"clinicalDefinition":"Continuing pregnancy after spontaneous abortion of one fetus or more is a non-billable ICD-10-CM category code (O31.1). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): delayed delivery of second twin, triplet, etc. (O63.2); malpresentation of one fetus or more (O32.9); placental transfusion syndromes (O43.0-). 7th character: One of the following 7th characters is to be assigned to each code under category O31.","officialDefinition":"Continuing pregnancy after spontaneous abortion of one fetus or more is a non-billable ICD-10-CM category code (O31.1). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): delayed delivery of second twin, triplet, etc. (O63.2); malpresentation of one fetus or more (O32.9); placental transfusion syndromes (O43.0-). 7th character: One of the following 7th characters is to be assigned to each code under category O31.  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 O31 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 O31.  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 O31 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":"","noteProvenance":{"delayed delivery of second twin, triplet, etc. (O63.2)":"O31","malpresentation of one fetus or more (O32.9)":"O31","placental transfusion syndromes (O43.0-)":"O31"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}