{"code":"O13.9","type":"code","title":"Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimester","codeAlso":[],"includes":["gestational hypertension NOS","transient hypertension of pregnancy"],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["O13","O13.1","O13.2","O13.3","O13.4","O13.5"],"inclusionTerms":[],"sibling_titles":{"code":"O13.5","title":"Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating the puerperium","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimester is a billable ICD-10-CM diagnosis code (O13.9). Includes: gestational hypertension NOS; transient hypertension of pregnancy.","officialDefinition":"Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimester is a billable ICD-10-CM diagnosis code (O13.9). Includes: gestational hypertension NOS; transient hypertension of pregnancy.","seventhCharacterInstructions":[],"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":""}