{"code":"M1A.069","type":"category","title":"Idiopathic chronic gout, unspecified knee","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["gout NOS (M10.-)"],"excludes2":["acute gout (M10.-)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"inclusionTerms":[],"useAdditionalCode":["code to identify:","Autonomic neuropathy in diseases classified elsewhere (G99.0)","Calculus of urinary tract in diseases classified elsewhere (N22)","Cardiomyopathy in diseases classified elsewhere (I43)","Disorders of external ear in diseases classified elsewhere (H61.1-, H62.8-)","Disorders of iris and ciliary body in diseases classified elsewhere (H22)","Glomerular disorders in diseases classified elsewhere (N08)"],"clinicalDefinition":"Idiopathic chronic gout, unspecified knee is a non-billable ICD-10-CM category code (M1A.069). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): gout NOS (M10.-). Excludes2 (not included here): acute gout (M10.-). Use additional code: code to identify:; Autonomic neuropathy in diseases classified elsewhere (G99.","officialDefinition":"Idiopathic chronic gout, unspecified knee is a non-billable ICD-10-CM category code (M1A.069). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): gout NOS (M10.-). Excludes2 (not included here): acute gout (M10.-). Use additional code: code to identify:; Autonomic neuropathy in diseases classified elsewhere (G99.0); Calculus of urinary tract in diseases classified elsewhere (N22); Cardiomyopathy in diseases classified elsewhere (I43); Disorders of external ear in diseases classified elsewhere (H61.1-, H62.8-); Disorders of iris and ciliary body in diseases classified elsewhere (H22); Glomerular disorders in diseases classified elsewhere (N08). 7th character: The appropriate 7th character is to be added to each code from category M1A.","seventhCharacterInstructions":["The appropriate 7th character is to be added to each code from category M1A"],"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":""}