{"code":"R76.81","type":"code","title":"Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["rheumatoid arthritis with rheumatoid factor (M05.-)"],"excludes2":["abnormal findings on antenatal screening of mother (O28.-)","abnormalities of lipids (E78.-)","abnormalities of platelets and thrombocytes (D69.-)","abnormalities of white blood cells classified elsewhere (D70-D72)","coagulation hemorrhagic disorders (D65-D68)","diagnostic abnormal findings classified elsewhere - see Alphabetical Index","hemorrhagic and hematological disorders of newborn (P50-P61)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["R76","R76.0","R76.1","R76.11","R76.12","R76.8","R76.89","R76.9"],"inclusionTerms":["Abnormal anti-CCP","Abnormal anti-cyclic citrullinated protein antibody and rheumatoid factor"],"sibling_titles":{"code":"R76.9","title":"Abnormal immunological finding in serum, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis is a billable ICD-10-CM diagnosis code (R76.81). Inclusion terms: Abnormal anti-CCP; Abnormal anti-cyclic citrullinated protein antibody and rheumatoid factor. Excludes1 (not coded here): rheumatoid arthritis with rheumatoid factor (M05.-). Excludes2 (not included here): abnormal findings on antenatal screening of mother (O28.-); abnormalities of lipids (E78.","officialDefinition":"Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis is a billable ICD-10-CM diagnosis code (R76.81). Inclusion terms: Abnormal anti-CCP; Abnormal anti-cyclic citrullinated protein antibody and rheumatoid factor. Excludes1 (not coded here): rheumatoid arthritis with rheumatoid factor (M05.-). Excludes2 (not included here): abnormal findings on antenatal screening of mother (O28.-); abnormalities of lipids (E78.-); abnormalities of platelets and thrombocytes (D69.-); abnormalities of white blood cells classified elsewhere (D70-D72); coagulation hemorrhagic disorders (D65-D68); diagnostic abnormal findings classified elsewhere - see Alphabetical Index; hemorrhagic and hematological disorders of newborn (P50-P61).","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":""}