{"code":"M13.12","type":"code","title":"Monoarthritis, not elsewhere classified, elbow","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["arthrosis (M15-M19)","osteoarthritis (M15-M19)"],"excludes2":[],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["M13.121","M13.122","M13.129"],"inclusionTerms":[],"sibling_titles":{"code":"M13.129","title":"Monoarthritis, not elsewhere classified, unspecified elbow","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Monoarthritis, not elsewhere classified, elbow is a non-billable ICD-10-CM category code (M13.12). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): arthrosis (M15-M19); osteoarthritis (M15-M19).","officialDefinition":"Monoarthritis, not elsewhere classified, elbow is a non-billable ICD-10-CM category code (M13.12). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): arthrosis (M15-M19); osteoarthritis (M15-M19).","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":""}