{"code":"D89.8","type":"code","title":"Other specified disorders involving the immune mechanism, not elsewhere classified","codeAlso":[],"includes":["defects in the complement system","immunodeficiency disorders, except human immunodeficiency virus [HIV] disease","sarcoidosis"],"modern_v":"official26","codeFirst":[],"excludes1":["hyperglobulinemia NOS (R77.1)","monoclonal gammopathy (of undetermined significance) (D47.2)","autoimmune disease (systemic) NOS (M35.9)","functional disorders of polymorphonuclear neutrophils (D71-)"],"excludes2":["transplant failure and rejection (T86.-)","human immunodeficiency virus [HIV] disease (B20)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["D89.810","D89.811","D89.812","D89.813","D89.831","D89.832","D89.833","D89.834","D89.835","D89.839"],"inclusionTerms":[],"sibling_titles":{"code":"D89.839","title":"Cytokine release syndrome, grade unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Other specified disorders involving the immune mechanism, not elsewhere classified is a non-billable ICD-10-CM category code (D89.8). A more specific billable subcode must be selected for claims submission. Includes: defects in the complement system; immunodeficiency disorders, except human immunodeficiency virus [HIV] disease; sarcoidosis. Excludes1 (not coded here): hyperglobulinemia NOS (R77.1); monoclonal gammopathy (of undetermined significance) (D47.","officialDefinition":"Other specified disorders involving the immune mechanism, not elsewhere classified is a non-billable ICD-10-CM category code (D89.8). A more specific billable subcode must be selected for claims submission. Includes: defects in the complement system; immunodeficiency disorders, except human immunodeficiency virus [HIV] disease; sarcoidosis. Excludes1 (not coded here): hyperglobulinemia NOS (R77.1); monoclonal gammopathy (of undetermined significance) (D47.2); autoimmune disease (systemic) NOS (M35.9); functional disorders of polymorphonuclear neutrophils (D71-); human immunodeficiency virus [HIV] disease (B20). Excludes2 (not included here): transplant failure and rejection (T86.-).","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":{"hyperglobulinemia NOS (R77.1)":"D89","monoclonal gammopathy (of undetermined significance) (D47.2)":"D89","autoimmune disease (systemic) NOS (M35.9)":"D89","functional disorders of polymorphonuclear neutrophils (D71-)":"D89","transplant failure and rejection (T86.-)":"D89","human immunodeficiency virus [HIV] disease (B20)":"D89","defects in the complement system":"D89","immunodeficiency disorders, except human immunodeficiency virus [HIV] disease":"D89","sarcoidosis":"D89"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}