{"code":"K40.21","type":"code","title":"Bilateral inguinal hernia, without obstruction or gangrene, recurrent","codeAlso":[],"includes":["bubonocele","direct inguinal hernia","double inguinal hernia","indirect inguinal hernia","inguinal hernia NOS","oblique inguinal hernia","scrotal hernia","acquired hernia","congenital [except diaphragmatic or hiatus] hernia","recurrent hernia"],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["K40","K40.0","K40.00","K40.01","K40.1","K40.10","K40.11","K40.2","K40.20","K40.3","K40.30","K40.31","K40.4","K40.40","K40.41","K40.9","K40.90","K40.91"],"inclusionTerms":[],"sibling_titles":{"code":"K40.91","title":"Unilateral inguinal hernia, without obstruction or gangrene, recurrent","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Bilateral inguinal hernia, without obstruction or gangrene, recurrent is a billable ICD-10-CM diagnosis code (K40.21). Includes: bubonocele; direct inguinal hernia; double inguinal hernia; indirect inguinal hernia; inguinal hernia NOS; oblique inguinal hernia; scrotal hernia; acquired hernia; congenital [except diaphragmatic or hiatus] hernia; recurrent hernia.","officialDefinition":"Bilateral inguinal hernia, without obstruction or gangrene, recurrent is a billable ICD-10-CM diagnosis code (K40.21). Includes: bubonocele; direct inguinal hernia; double inguinal hernia; indirect inguinal hernia; inguinal hernia NOS; oblique inguinal hernia; scrotal hernia; acquired hernia; congenital [except diaphragmatic or hiatus] hernia; recurrent hernia.","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":""}