{"code":"A56","type":"category","title":"Other sexually transmitted chlamydial diseases","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":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["A56.0","A56.1","A56.2","A56.3","A56.4","A56.8"],"inclusionTerms":[],"sibling_titles":{"code":"A56.8","title":"Sexually transmitted chlamydial infection of other sites","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Other sexually transmitted chlamydial diseases is a non-billable ICD-10-CM category code (A56). A more specific billable subcode must be selected for claims submission. 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":"Other sexually transmitted chlamydial diseases is a non-billable ICD-10-CM category code (A56). A more specific billable subcode must be selected for claims submission. 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":[{"code":"A56.0","title":"Chlamydial infection of lower genitourinary tract","description":"Chlamydial infection of lower genitourinary tract is a non-billable ICD-10-CM category code (A56.0). A more specific billable subcode must be selected for claims submission. 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).","isBillable":false,"slug":"a56.0-chlamydial-infection-of-lower-genitourinary-tract"},{"code":"A56.00","title":"Chlamydial infection of lower genitourinary tract, unspecified","description":"Chlamydial infection of lower genitourinary tract, unspecified is a billable ICD-10-CM diagnosis code (A56.00). 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).","isBillable":true,"slug":"a56.00-chlamydial-infection-of-lower-genitourinary-tract-unspecified"},{"code":"A56.01","title":"Chlamydial cystitis and urethritis","description":"Chlamydial cystitis and urethritis is a billable ICD-10-CM diagnosis code (A56.01). 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).","isBillable":true,"slug":"a56.01-chlamydial-cystitis-and-urethritis"},{"code":"A56.02","title":"Chlamydial vulvovaginitis","description":"Chlamydial vulvovaginitis is a billable ICD-10-CM diagnosis code (A56.02). 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).","isBillable":true,"slug":"a56.02-chlamydial-vulvovaginitis"},{"code":"A56.09","title":"Other chlamydial infection of lower genitourinary tract","description":"Other chlamydial infection of lower genitourinary tract is a billable ICD-10-CM diagnosis code (A56.09). Includes: sexually transmitted diseases due to Chlamydia; trachomatis. Inclusion terms: Chlamydial cervicitis. 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).","isBillable":true,"slug":"a56.09-other-chlamydial-infection-of-lower-genitourinary-tract"},{"code":"A56.1","title":"Chlamydial infection of pelviperitoneum and other genitourinary organs","description":"Chlamydial infection of pelviperitoneum and other genitourinary organs is a non-billable ICD-10-CM category code (A56.1). A more specific billable subcode must be selected for claims submission. 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).","isBillable":false,"slug":"a56.1-chlamydial-infection-of-pelviperitoneum-and-other-genitourinary-organs"},{"code":"A56.11","title":"Chlamydial female pelvic inflammatory disease","description":"Chlamydial female pelvic inflammatory disease is a billable ICD-10-CM diagnosis code (A56.11). 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).","isBillable":true,"slug":"a56.11-chlamydial-female-pelvic-inflammatory-disease"},{"code":"A56.19","title":"Other chlamydial genitourinary infection","description":"Other chlamydial genitourinary infection is a billable ICD-10-CM diagnosis code (A56.19). Includes: sexually transmitted diseases due to Chlamydia; trachomatis. Inclusion terms: Chlamydial epididymitis; Chlamydial orchitis. 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).","isBillable":true,"slug":"a56.19-other-chlamydial-genitourinary-infection"},{"code":"A56.2","title":"Chlamydial infection of genitourinary tract, unspecified","description":"Chlamydial infection of genitourinary tract, unspecified is a billable ICD-10-CM diagnosis code (A56.2). 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).","isBillable":true,"slug":"a56.2-chlamydial-infection-of-genitourinary-tract-unspecified"},{"code":"A56.3","title":"Chlamydial infection of anus and rectum","description":"Chlamydial infection of anus and rectum is a billable ICD-10-CM diagnosis code (A56.3). 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).","isBillable":true,"slug":"a56.3-chlamydial-infection-of-anus-and-rectum"},{"code":"A56.4","title":"Chlamydial infection of pharynx","description":"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).","isBillable":true,"slug":"a56.4-chlamydial-infection-of-pharynx"},{"code":"A56.8","title":"Sexually transmitted chlamydial infection of other sites","description":"Sexually transmitted chlamydial infection of other sites is a billable ICD-10-CM diagnosis code (A56.8). 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).","isBillable":true,"slug":"a56.8-sexually-transmitted-chlamydial-infection-of-other-sites"}],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}