{"code":"M86.67","type":"code","title":"Other chronic osteomyelitis, ankle and foot","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["osteomyelitis due to:","echinococcus (B67.2)","gonococcus (A54.43)","salmonella (A02.24)","postprocedural osteopathies (M96.-)"],"excludes2":["ostemyelitis of:","orbit (H05.0-)","petrous bone (H70.2-)","vertebra (M46.2-)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["M86.671","M86.672","M86.679"],"inclusionTerms":[],"sibling_titles":{"code":"M86.679","title":"Other chronic osteomyelitis, unspecified ankle and foot","isBillable":true},"useAdditionalCode":["code (B95-B97) to identify infectious agent","code to identify major osseous defect, if applicable (M89.7-)"],"clinicalDefinition":"Other chronic osteomyelitis, ankle and foot is a non-billable ICD-10-CM category code (M86.67). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): osteomyelitis due to:; echinococcus (B67.2); gonococcus (A54.43); salmonella (A02.24); postprocedural osteopathies (M96.-). Excludes2 (not included here): ostemyelitis of:; orbit (H05.0-); petrous bone (H70.2-); vertebra (M46.2-). Use additional code: code (B95-B97) to identify infectious agent; code to identify major osseous defect, if applicable (M89.7-).","officialDefinition":"Other chronic osteomyelitis, ankle and foot is a non-billable ICD-10-CM category code (M86.67). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): osteomyelitis due to:; echinococcus (B67.2); gonococcus (A54.43); salmonella (A02.24); postprocedural osteopathies (M96.-). Excludes2 (not included here): ostemyelitis of:; orbit (H05.0-); petrous bone (H70.2-); vertebra (M46.2-). Use additional code: code (B95-B97) to identify infectious agent; code to identify major osseous defect, if applicable (M89.7-).","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":"","noteProvenance":{"osteomyelitis due to:":"M86","echinococcus (B67.2)":"M86","gonococcus (A54.43)":"M86","salmonella (A02.24)":"M86","postprocedural osteopathies (M96.-)":"M86","ostemyelitis of:":"M86","orbit (H05.0-)":"M86","petrous bone (H70.2-)":"M86","vertebra (M46.2-)":"M86","code (B95-B97) to identify infectious agent":"M86","code to identify major osseous defect, if applicable (M89.7-)":"M86"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}