ICD-10-CM category
A56: Other sexually transmitted chlamydial diseases
Codes under A56 (Other sexually transmitted chlamydial diseases). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| A56.0 | Chlamydial infection of lower genitourinary tract | — |
| A56.00 | Chlamydial infection of lower genitourinary tract, unspecified | ✓ |
| A56.01 | Chlamydial cystitis and urethritis | ✓ |
| A56.1 | Chlamydial infection of pelviperitoneum and other genitourinary organs | — |
| A56.02 | Chlamydial vulvovaginitis | ✓ |
| 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 | ✓ |
| A56.09 | Other chlamydial infection of lower genitourinary tract | ✓ |
| A56.11 | Chlamydial female pelvic inflammatory disease | ✓ |
| A56.19 | Other chlamydial genitourinary infection | ✓ |
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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