Infections with a predominantly sexual mode of transmission A50-A64

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as A50-A64. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • human immunodeficiency virus [HIV] disease (
    ICD-10-CM Diagnosis Code B20

    Human immunodeficiency virus [HIV] disease

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Code First
    • Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium, if applicable (O98.7-)
    • acquired immune deficiency syndrome [AIDS]
    • AIDS-related complex [ARC]
    • HIV infection, symptomatic
    Type 1 Excludes
    • asymptomatic human immunodeficiency virus [HIV] infection status (Z21)
    • exposure to HIV virus (Z20.6)
    • inconclusive serologic evidence of HIV (R75)
    Use Additional
    • code(s) to identify all manifestations of HIV infection
  • nonspecific and nongonococcal urethritis (
    ICD-10-CM Diagnosis Code N34.1

    Nonspecific urethritis

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Nongonococcal urethritis
    • Nonvenereal urethritis
  • Reiter's disease (
    ICD-10-CM Diagnosis Code M02.3

    Reiter's disease

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Applicable To
    • Reactive arthritis
  • A50
    Congenital syphilis
  • A51
    Early syphilis
  • A52
    Late syphilis
  • A53
    Other and unspecified syphilis
  • A54
    Gonococcal infection
  • A55
    Chlamydial lymphogranuloma (venereum)
  • A56
    Other sexually transmitted chlamydial diseases
  • A57
  • A58
    Granuloma inguinale
  • A59
  • A60
    Anogenital herpesviral [herpes simplex] infections
  • A63
    Other predominantly sexually transmitted diseases, not elsewhere classified
  • A64
    Unspecified sexually transmitted disease
ICD-10-CM Diagnosis Codes A50-*
  • A50 Congenital syphilis
    • A50.0 Early congenital syphilis, symptomatic
      • A50.01 Early congenital syphilitic oculopathy
      • A50.02 Early congenital syphilitic osteochondropathy...
      • A50.03 Early congenital syphilitic pharyngitis
      • A50.04 Early congenital syphilitic pneumonia
      • A50.05 Early congenital syphilitic rhinitis
      • A50.06 Early cutaneous congenital syphilis
      • A50.07 Early mucocutaneous congenital syphilis
      • A50.08 Early visceral congenital syphilis
      • A50.09 Other early congenital syphilis, symptomatic
    • A50.1 Early congenital syphilis, latent
    • A50.2 Early congenital syphilis, unspecified
    • A50.3 Late congenital syphilitic oculopathy
      • A50.30 Late congenital syphilitic oculopathy, unspec...
      • A50.31 Late congenital syphilitic interstitial kerat...
      • A50.32 Late congenital syphilitic chorioretinitis
      • A50.39 Other late congenital syphilitic oculopathy
    • A50.4 Late congenital neurosyphilis [juvenile neuro...
      • A50.40 Late congenital neurosyphilis, unspecified
      • A50.41 Late congenital syphilitic meningitis
      • A50.42 Late congenital syphilitic encephalitis
      • A50.43 Late congenital syphilitic polyneuropathy
      • A50.44 Late congenital syphilitic optic nerve atroph...
      • A50.45 Juvenile general paresis
      • A50.49 Other late congenital neurosyphilis
    • A50.5 Other late congenital syphilis, symptomatic
      • A50.51 Clutton's joints
      • A50.52 Hutchinson's teeth
      • A50.53 Hutchinson's triad
      • A50.54 Late congenital cardiovascular syphilis
      • A50.55 Late congenital syphilitic arthropathy
      • A50.56 Late congenital syphilitic osteochondropathy
      • A50.57 Syphilitic saddle nose
      • A50.59 Other late congenital syphilis, symptomatic
    • A50.6 Late congenital syphilis, latent
    • A50.7 Late congenital syphilis, unspecified
    • A50.9 Congenital syphilis, unspecified
ICD-10-CM Diagnosis Codes A51-*
  • A51 Early syphilis
    • A51.0 Primary genital syphilis
    • A51.1 Primary anal syphilis
    • A51.2 Primary syphilis of other sites
    • A51.3 Secondary syphilis of skin and mucous membran...
      • A51.31 Condyloma latum
      • A51.32 Syphilitic alopecia
      • A51.39 Other secondary syphilis of skin
    • A51.4 Other secondary syphilis
      • A51.41 Secondary syphilitic meningitis
      • A51.42 Secondary syphilitic female pelvic disease
      • A51.43 Secondary syphilitic oculopathy
      • A51.44 Secondary syphilitic nephritis
      • A51.45 Secondary syphilitic hepatitis
      • A51.46 Secondary syphilitic osteopathy
      • A51.49 Other secondary syphilitic conditions
    • A51.5 Early syphilis, latent
    • A51.9 Early syphilis, unspecified
ICD-10-CM Diagnosis Codes A52-*
  • A52 Late syphilis
    • A52.0 Cardiovascular and cerebrovascular syphilis
      • A52.00 Cardiovascular syphilis, unspecified
      • A52.01 Syphilitic aneurysm of aorta
      • A52.02 Syphilitic aortitis
      • A52.03 Syphilitic endocarditis
      • A52.04 Syphilitic cerebral arteritis
      • A52.05 Other cerebrovascular syphilis
      • A52.06 Other syphilitic heart involvement
      • A52.09 Other cardiovascular syphilis
    • A52.1 Symptomatic neurosyphilis
      • A52.10 …… unspecified
      • A52.11 Tabes dorsalis
      • A52.12 Other cerebrospinal syphilis
      • A52.13 Late syphilitic meningitis
      • A52.14 Late syphilitic encephalitis
      • A52.15 Late syphilitic neuropathy
      • A52.16 Charcôt's arthropathy (tabetic)
      • A52.17 General paresis
      • A52.19 Other symptomatic neurosyphilis
    • A52.2 Asymptomatic neurosyphilis
    • A52.3 Neurosyphilis, unspecified
    • A52.7 Other symptomatic late syphilis
      • A52.71 Late syphilitic oculopathy
      • A52.72 Syphilis of lung and bronchus
      • A52.73 Symptomatic late syphilis of other respirator...
      • A52.74 Syphilis of liver and other viscera
      • A52.75 Syphilis of kidney and ureter
      • A52.76 Other genitourinary symptomatic late syphilis...
      • A52.77 Syphilis of bone and joint
      • A52.78 Syphilis of other musculoskeletal tissue
      • A52.79 Other symptomatic late syphilis
    • A52.8 Late syphilis, latent
    • A52.9 Late syphilis, unspecified
ICD-10-CM Diagnosis Codes A53-*
  • A53 Other and unspecified syphilis
    • A53.0 Latent syphilis, unspecified as early or late...
    • A53.9 Syphilis, unspecified
ICD-10-CM Diagnosis Codes A54-*
  • A54 Gonococcal infection
    • A54.0 Gonococcal infection of lower genitourinary t...
      • A54.00 Gonococcal infection of lower genitourinary t...
      • A54.01 Gonococcal cystitis and urethritis, unspecifi...
      • A54.02 Gonococcal vulvovaginitis, unspecified
      • A54.03 Gonococcal cervicitis, unspecified
      • A54.09 Other gonococcal infection of lower genitouri...
    • A54.1 Gonococcal infection of lower genitourinary t...
    • A54.2 Gonococcal pelviperitonitis and other gonococ...
      • A54.21 Gonococcal infection of kidney and ureter
      • A54.22 Gonococcal prostatitis
      • A54.23 Gonococcal infection of other male genital or...
      • A54.24 Gonococcal female pelvic inflammatory disease...
      • A54.29 Other gonococcal genitourinary infections
    • A54.3 Gonococcal infection of eye
      • A54.30 …… unspecified
      • A54.31 Gonococcal conjunctivitis
      • A54.32 Gonococcal iridocyclitis
      • A54.33 Gonococcal keratitis
      • A54.39 Other gonococcal eye infection
    • A54.4 Gonococcal infection of musculoskeletal syste...
      • A54.40 Gonococcal infection of musculoskeletal syste...
      • A54.41 Gonococcal spondylopathy
      • A54.42 Gonococcal arthritis
      • A54.43 Gonococcal osteomyelitis
      • A54.49 Gonococcal infection of other musculoskeletal...
    • A54.5 Gonococcal pharyngitis
    • A54.6 Gonococcal infection of anus and rectum
    • A54.8 Other gonococcal infections
      • A54.81 Gonococcal meningitis
      • A54.82 Gonococcal brain abscess
      • A54.83 Gonococcal heart infection
      • A54.84 Gonococcal pneumonia
      • A54.85 Gonococcal peritonitis
      • A54.86 Gonococcal sepsis
      • A54.89 Other gonococcal infections
    • A54.9 Gonococcal infection, unspecified
ICD-10-CM Diagnosis Codes A55-*
  • A55 Chlamydial lymphogranuloma (venereum)
ICD-10-CM Diagnosis Codes A56-*
  • A56 Other sexually transmitted chlamydial disease...
    • A56.0 Chlamydial infection of lower genitourinary t...
      • A56.00 Chlamydial infection of lower genitourinary t...
      • A56.01 Chlamydial cystitis and urethritis
      • A56.02 Chlamydial vulvovaginitis
      • A56.09 Other chlamydial infection of lower genitouri...
    • A56.1 Chlamydial infection of pelviperitoneum and o...
      • A56.11 Chlamydial female pelvic inflammatory disease...
      • A56.19 Other chlamydial genitourinary infection
    • A56.2 Chlamydial infection of genitourinary tract, ...
    • A56.3 Chlamydial infection of anus and rectum
    • A56.4 Chlamydial infection of pharynx
    • A56.8 Sexually transmitted chlamydial infection of ...
ICD-10-CM Diagnosis Codes A57-*
ICD-10-CM Diagnosis Codes A58-*
  • A58 Granuloma inguinale
ICD-10-CM Diagnosis Codes A59-*
  • A59 Trichomoniasis
    • A59.0 Urogenital trichomoniasis
      • A59.00 …… unspecified
      • A59.01 Trichomonal vulvovaginitis
      • A59.02 Trichomonal prostatitis
      • A59.03 Trichomonal cystitis and urethritis
      • A59.09 Other urogenital trichomoniasis
    • A59.8 Trichomoniasis of other sites
    • A59.9 Trichomoniasis, unspecified
ICD-10-CM Diagnosis Codes A60-*
  • A60 Anogenital herpesviral [herpes simplex] infec...
    • A60.0 Herpesviral infection of genitalia and urogen...
      • A60.00 Herpesviral infection of urogenital system, u...
      • A60.01 Herpesviral infection of penis
      • A60.02 Herpesviral infection of other male genital o...
      • A60.03 Herpesviral cervicitis
      • A60.04 Herpesviral vulvovaginitis
      • A60.09 Herpesviral infection of other urogenital tra...
    • A60.1 Herpesviral infection of perianal skin and re...
    • A60.9 Anogenital herpesviral infection, unspecified...
ICD-10-CM Diagnosis Codes A63-*
  • A63 Other predominantly sexually transmitted dise...
    • A63.0 Anogenital (venereal) warts
    • A63.8 Other specified predominantly sexually transm...
ICD-10-CM Diagnosis Codes A64-*
  • A64 Unspecified sexually transmitted disease