| A540 | Gonococcal infection of lower genitourinary tract without periurethral or accessory gland abscess |
| A5400 | Gonococcal infection of lower genitourinary tract, unspecified |
| A5401 | Gonococcal cystitis and urethritis, unspecified |
| A5402 | Gonococcal vulvovaginitis, unspecified |
| A5403 | Gonococcal cervicitis, unspecified |
| A5409 | Other gonococcal infection of lower genitourinary tract |
| A541 | Gonocl infct of lower GU tract w periureth and acc glnd abcs Gonococcal infection of lower genitourinary tract with periurethral and accessory gland abscess |
| A542 | Gonococcal pelviperitonitis and other gonococcal genitourinary infection |
| A5421 | Gonococcal infection of kidney and ureter |
| A5422 | Gonococcal prostatitis |
| A5423 | Gonococcal infection of other male genital organs |
| A5424 | Gonococcal female pelvic inflammatory disease |
| A5429 | Other gonococcal genitourinary infections |
| A543 | Gonococcal infection of eye |
| A5430 | Gonococcal infection of eye, unspecified |
| A5431 | Gonococcal conjunctivitis |
| A5432 | Gonococcal iridocyclitis |
| A5433 | Gonococcal keratitis |
| A5439 | Other gonococcal eye infection |
| A544 | Gonococcal infection of musculoskeletal system |
| A5440 | Gonococcal infection of musculoskeletal system, unspecified |
| A5441 | Gonococcal spondylopathy |
| A5442 | Gonococcal arthritis |
| A5443 | Gonococcal osteomyelitis |
| A5449 | Gonococcal infection of other musculoskeletal tissue |
| A545 | Gonococcal pharyngitis |
| A546 | Gonococcal infection of anus and rectum |
| A548 | Other gonococcal infections |
| A5481 | Gonococcal meningitis |
| A5482 | Gonococcal brain abscess |
| A5483 | Gonococcal heart infection |
| A5484 | Gonococcal pneumonia |
| A5485 | Gonococcal peritonitis |
| A5486 | Gonococcal sepsis |
| A5489 | Other gonococcal infections |
| A549 | Gonococcal infection, unspecified |
| A55 | Chlamydial lymphogranuloma (venereum) |
| A56 | Other sexually transmitted chlamydial diseases |
| A560 | Chlamydial infection of lower genitourinary tract |
| A5600 | Chlamydial infection of lower genitourinary tract, unspecified |
| A5601 | Chlamydial cystitis and urethritis |
| A5602 | Chlamydial vulvovaginitis |
| A5609 | Other chlamydial infection of lower genitourinary tract |
| A561 | Chlamydial infection of pelviperitoneum and other genitourinary organs |
| A5611 | Chlamydial female pelvic inflammatory disease |
| A5619 | Other chlamydial genitourinary infection |
| A562 | Chlamydial infection of genitourinary tract, unspecified |
| A563 | Chlamydial infection of anus and rectum |
| A564 | Chlamydial infection of pharynx |
| A568 | Sexually transmitted chlamydial infection of other sites |