A57 Chancroid

Billable ICD-10-CM code, FY2026.

Applicable to

• Ulcus molle

Applies from A57 Chancroid

Applicable to

• Ulcus molle

MS-DRG index

Defines the logic of DRG(s) 727-728 in MDC 12.

Approximate ICD-9-CM (GEMs)

• 099.0 Chancroid

Code annotations containing back-references to A57

Back-references to A57

• Type 2 Excludes: N34 Urethritis and urethral syndrome ("urethritis in diseases with a predominantly sexual mode of transmission (A50-A64)")

Back-references to A57

• Type 2 Excludes: N34 Urethritis and urethral syndrome ("urethritis in diseases with a predominantly sexual mode of transmission (A50-A64)")

Diagnosis Index entries for A57

• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › phagedenic NOS › chancroid
• Adenitis › chancroid (Hemophilus ducreyi)
• Balanitis (circinata) (erosiva) (gangrenosa) (phagedenic) (vulgaris) › due to Haemophilus ducreyi
• Bubo › chancroidal
• Bubo › due to Haemophilus ducreyi
• Bubo › inguinal (nonspecific) › chancroidal
• Bubo › inguinal (nonspecific) › due to H. ducreyi
• Bubo › soft chancre
• Bubo › virulent (chancroidal)
• Chancre (any genital site) (hard) (hunterian) (mixed) (primary) (seronegative) (seropositive) (syphilitic) › ducreyi
• Chancre (any genital site) (hard) (hunterian) (mixed) (primary) (seronegative) (seropositive) (syphilitic) › Ducrey's
• Chancre (any genital site) (hard) (hunterian) (mixed) (primary) (seronegative) (seropositive) (syphilitic) › Nisbet's
• Chancre (any genital site) (hard) (hunterian) (mixed) (primary) (seronegative) (seropositive) (syphilitic) › phagedenic
• Chancre (any genital site) (hard) (hunterian) (mixed) (primary) (seronegative) (seropositive) (syphilitic) › simple
• Chancre (any genital site) (hard) (hunterian) (mixed) (primary) (seronegative) (seropositive) (syphilitic) › soft
• Chancre (any genital site) (hard) (hunterian) (mixed) (primary) (seronegative) (seropositive) (syphilitic) › soft › bubo
• Chancroid (anus) (genital) (penis) (perineum) (rectum) (urethra) (vulva)
• Disease, diseased › sexually transmitted › chancroid
• Ducreyi chancre
• Ducrey's chancre
• Infection, infected, infective (opportunistic) › Bacillus › ducreyi (any location)
• Infection, infected, infective (opportunistic) › ducreyi Haemophilus (any location)
• Infection, infected, infective (opportunistic) › Hemophilus › ducreyi (any location)
• Infection, infected, infective (opportunistic) › inguinal (lymph) glands › due to soft chancre
• Lymphadenitis › chancroidal (congenital)
• Lymphangitis › chancroidal
• Nisbet's chancre
• Paraphimosis (congenital) › chancroidal
• Phimosis (congenital) (due to infection) › chancroidal
• Sore › soft
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › chancroidal
• Ulcus › molle (cutis) (skin)
• Virulent bubo
• Vulvitis (acute) (allergic) (atrophic) (hypertrophic) (intertriginous) (senile) › due to Haemophilus ducreyi

Nearby codes

• A57 Chancroid (this code)