{"code":"H00.0","type":"code","title":"Hordeolum (externum) (internum) of eyelid","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["open wound of eyelid (S01.1-)","superficial injury of eyelid (S00.1-, S00.2-)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["H00.011","H00.012","H00.013","H00.014","H00.015","H00.016","H00.019","H00.021","H00.022","H00.023","H00.024","H00.025","H00.026","H00.029","H00.031","H00.032","H00.033","H00.034","H00.035","H00.036","H00.039"],"inclusionTerms":[],"sibling_titles":{"code":"H00.039","title":"Abscess of eyelid unspecified eye, unspecified eyelid","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Hordeolum (externum) (internum) of eyelid is a non-billable ICD-10-CM category code (H00.0). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): open wound of eyelid (S01.1-); superficial injury of eyelid (S00.1-, S00.2-).","officialDefinition":"Hordeolum (externum) (internum) of eyelid is a non-billable ICD-10-CM category code (H00.0). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): open wound of eyelid (S01.1-); superficial injury of eyelid (S00.1-, S00.2-).","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":""}