{"code":"T79.A1","type":"code","title":"Traumatic compartment syndrome of upper extremity","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["fibromyalgia (M79.7)","nontraumatic compartment syndrome (M79.A-)"],"excludes2":["traumatic ischemic infarction of muscle (T79.6)","acute respiratory distress syndrome (J80)","complications occurring during or following medical procedures (T80-T88)","complications of surgical and medical care NEC (T80-T88)","newborn respiratory distress syndrome (P22.0)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["T79.A11","T79.A11A","T79.A11D","T79.A11S","T79.A12","T79.A12A","T79.A12D","T79.A12S","T79.A19","T79.A19A","T79.A19D","T79.A19S"],"inclusionTerms":["Traumatic compartment syndrome of shoulder, arm, forearm, wrist, hand, and fingers"],"sibling_titles":{"code":"T79.A19S","title":"Traumatic compartment syndrome of unspecified upper extremity, sequela","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Traumatic compartment syndrome of upper extremity is a non-billable ICD-10-CM category code (T79.A1). A more specific billable subcode must be selected for claims submission. Inclusion terms: Traumatic compartment syndrome of shoulder, arm, forearm, wrist, hand, and fingers. Excludes1 (not coded here): fibromyalgia (M79.7); nontraumatic compartment syndrome (M79.A-). Excludes2 (not included here): traumatic ischemic infarction of muscle (T79.","officialDefinition":"Traumatic compartment syndrome of upper extremity is a non-billable ICD-10-CM category code (T79.A1). A more specific billable subcode must be selected for claims submission. Inclusion terms: Traumatic compartment syndrome of shoulder, arm, forearm, wrist, hand, and fingers. Excludes1 (not coded here): fibromyalgia (M79.7); nontraumatic compartment syndrome (M79.A-). Excludes2 (not included here): traumatic ischemic infarction of muscle (T79.6); acute respiratory distress syndrome (J80); complications occurring during or following medical procedures (T80-T88); complications of surgical and medical care NEC (T80-T88); newborn respiratory distress syndrome (P22.0). 7th character: The appropriate 7th character is to be added to each code from category T79.","seventhCharacterInstructions":["The appropriate 7th character is to be added to each code from category T79"],"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":"","hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}