{"code":"A56.4","type":"code","title":"Chlamydial infection of pharynx","codeAlso":[],"includes":["sexually transmitted diseases due to Chlamydia","trachomatis"],"modern_v":"official26","codeFirst":[],"excludes1":["neonatal chlamydial conjunctivitis (P39.1)","neonatal chlamydial pneumonia (P23.1)","nonspecific and nongonococcal urethritis (N34.1)","Reiter's disease (M02.3-)"],"excludes2":["chlamydial lymphogranuloma (A55)","conditions classified to A74.-","human immunodeficiency virus [HIV] disease (B20)"],"isBillable":true,"sibling_codes":["A56","A56.0","A56.1","A56.2","A56.3","A56.8"],"inclusionTerms":[],"sibling_titles":{"code":"A56.8","title":"Sexually transmitted chlamydial infection of other sites","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Chlamydial infection of pharynx is a billable ICD-10-CM diagnosis code (A56.4). Includes: sexually transmitted diseases due to Chlamydia; trachomatis. Excludes1 (not coded here): neonatal chlamydial conjunctivitis (P39.1); neonatal chlamydial pneumonia (P23.1); nonspecific and nongonococcal urethritis (N34.1); Reiter's disease (M02.3-). Excludes2 (not included here): chlamydial lymphogranuloma (A55); conditions classified to A74.-; human immunodeficiency virus [HIV] disease (B20).","officialDefinition":"Chlamydial infection of pharynx is a billable ICD-10-CM diagnosis code (A56.4). Includes: sexually transmitted diseases due to Chlamydia; trachomatis. Excludes1 (not coded here): neonatal chlamydial conjunctivitis (P39.1); neonatal chlamydial pneumonia (P23.1); nonspecific and nongonococcal urethritis (N34.1); Reiter's disease (M02.3-). Excludes2 (not included here): chlamydial lymphogranuloma (A55); conditions classified to A74.-; human immunodeficiency virus [HIV] disease (B20).","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":""}