{"code":"C77.3","type":"code","title":"Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodes","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["malignant neoplasm of lymph nodes, specified as primary (C81-C86, C88, C96.-)","mesentery metastasis of carcinoid tumor (C7B.04)","secondary carcinoid tumors of distant lymph nodes (C7B.01)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["C77","C77.0","C77.1","C77.2","C77.4","C77.5","C77.8","C77.9"],"inclusionTerms":["Secondary and unspecified malignant neoplasm of pectoral lymph nodes"],"sibling_titles":{"code":"C77.9","title":"Secondary and unspecified malignant neoplasm of lymph node, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodes is a billable ICD-10-CM diagnosis code (C77.3). Inclusion terms: Secondary and unspecified malignant neoplasm of pectoral lymph nodes. Excludes1 (not coded here): malignant neoplasm of lymph nodes, specified as primary (C81-C86, C88, C96.-); mesentery metastasis of carcinoid tumor (C7B.04); secondary carcinoid tumors of distant lymph nodes (C7B.01).","officialDefinition":"Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodes is a billable ICD-10-CM diagnosis code (C77.3). Inclusion terms: Secondary and unspecified malignant neoplasm of pectoral lymph nodes. Excludes1 (not coded here): malignant neoplasm of lymph nodes, specified as primary (C81-C86, C88, C96.-); mesentery metastasis of carcinoid tumor (C7B.04); secondary carcinoid tumors of distant lymph nodes (C7B.01).","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":{"malignant neoplasm of lymph nodes, specified as primary (C81-C86, C88, C96.-)":"C77","mesentery metastasis of carcinoid tumor (C7B.04)":"C77","secondary carcinoid tumors of distant lymph nodes (C7B.01)":"C77"},"hcc":{"mapped":true,"model":"CMS-HCC V28","paymentYear":"2026","categories":[{"hcc":"20","label":"Lung and Other Severe Cancers","family":"Neoplasm","suppresses":[{"hcc":"21","label":"Lymphoma and Other Cancers"},{"hcc":"22","label":"Bladder, Colorectal, and Other Cancers"},{"hcc":"23","label":"Prostate, Breast, and Other Cancers and Tumors"}]}],"otherModels":[{"model":"CMS-HCC V22","hcc":"10"},{"model":"RxHCC V08","hcc":"20"}]}}