A00–B99: Certain Infectious and Parasitic Diseases
Chapter 1 of ICD-10-CM 2027, 1,309 codes in 22 blocks.
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Chapter instructions
Includes: conditions that are coded here
- diseases generally recognized as communicable or transmissible
Excludes2: not included here, code separately if applicable
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use additional code: add a second code for this, listed after this one
- code to identify resistance to antimicrobial drugs (Z16.-)
Codes in this chapter
All codesBillable only1,309 results
- A54.0Gonococcal infection of lower genitourinary tract without periurethral or accessory gland abscess
- A54.00Gonococcal infection of lower genitourinary tract, unspecified
- A54.01Gonococcal cystitis and urethritis, unspecified
- A54.02Gonococcal vulvovaginitis, unspecified
- A54.03Gonococcal cervicitis, unspecified
- A54.09Other gonococcal infection of lower genitourinary tract
- A54.1Gonococcal infection of lower genitourinary tract with periurethral and accessory gland abscess
- A54.2Gonococcal pelviperitonitis and other gonococcal genitourinary infection
- A54.21Gonococcal infection of kidney and ureter
- A54.22Gonococcal prostatitis
- A54.23Gonococcal infection of other male genital organs
- A54.24Gonococcal female pelvic inflammatory disease
- A54.29Other gonococcal genitourinary infections
- A54.3Gonococcal infection of eye
- A54.30Gonococcal infection of eye, unspecified
- A54.31Gonococcal conjunctivitis
- A54.32Gonococcal iridocyclitis
- A54.33Gonococcal keratitis
- A54.39Other gonococcal eye infection
- A54.4Gonococcal infection of musculoskeletal system
- A54.40Gonococcal infection of musculoskeletal system, unspecified
- A54.41Gonococcal spondylopathy
- A54.42Gonococcal arthritis
- A54.43Gonococcal osteomyelitis
- A54.49Gonococcal infection of other musculoskeletal tissue
- A54.5Gonococcal pharyngitis
- A54.6Gonococcal infection of anus and rectum
- A54.8Other gonococcal infections
- A54.81Gonococcal meningitis
- A54.82Gonococcal brain abscess
- A54.83Gonococcal heart infection
- A54.84Gonococcal pneumonia
- A54.85Gonococcal peritonitis
- A54.86Gonococcal sepsis
- A54.89Other gonococcal infections
- A54.9Gonococcal infection, unspecified
- A55Chlamydial lymphogranuloma (venereum)
- A56Other sexually transmitted chlamydial diseases
- A56.0Chlamydial infection of lower genitourinary tract
- A56.00Chlamydial infection of lower genitourinary tract, unspecified
- A56.01Chlamydial cystitis and urethritis
- A56.02Chlamydial vulvovaginitis
- A56.09Other chlamydial infection of lower genitourinary tract
- A56.1Chlamydial infection of pelviperitoneum and other genitourinary organs
- A56.11Chlamydial female pelvic inflammatory disease
- A56.19Other chlamydial genitourinary infection
- A56.2Chlamydial infection of genitourinary tract, unspecified
- A56.3Chlamydial infection of anus and rectum
- A56.4Chlamydial infection of pharynx
- A56.8Sexually transmitted chlamydial infection of other sites