 
| ICD-10-CM-2023 > A00-B99 > A50-A64 > A56 | 
| A50-A64 | Infections with a predominantly sexual mode of transmission | |
| Excl1.: | human immunodeficiency virus [HIV] disease (B20) nonspecific and nongonococcal urethritis (N34.1) Reiter's disease (M02.3-) | |
| A56 | Other sexually transmitted chlamydial diseases | |
| Incl.: | sexually transmitted diseases due to Chlamydia trachomatis | |
| Excl1.: | neonatal chlamydial conjunctivitis (P39.1) neonatal chlamydial pneumonia (P23.1) | |
| Excl2.: | chlamydial lymphogranuloma (A55) conditions classified to A74.- | |
| A56.0 | Chlamydial infection of lower genitourinary tract | |
| A56.00 | Chlamydial infection of lower genitourinary tract, unspecified | |
| A56.01 | Chlamydial cystitis and urethritis | |
| A56.02 | Chlamydial vulvovaginitis | |
| A56.09 | Other chlamydial infection of lower genitourinary tract | |
| Info: | Chlamydial cervicitis | |
| A56.1 | Chlamydial infection of pelviperitoneum and other genitourinary organs | |
| A56.11 | Chlamydial female pelvic inflammatory disease | |
| A56.19 | Other chlamydial genitourinary infection | |
| Info: | Chlamydial epididymitis Chlamydial orchitis | |
| A56.2 | Chlamydial infection of genitourinary tract, unspecified | |
| A56.3 | Chlamydial infection of anus and rectum | |
| A56.4 | Chlamydial infection of pharynx | |
| A56.8 | Sexually transmitted chlamydial infection of other sites | |
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