A57

Chancroid

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · A57
Synonyms

Ulcus molle

Inherited from A50-A64Infections with a predominantly sexual mode of transmission
Excludes 1

nonspecific and nongonococcal urethritis (N34.1) Reiter's disease (M02.3-)

Excludes 2

human immunodeficiency virus [HIV] disease (B20)

Inherited from chapter 1Certain infectious and parasitic diseases
Includes

diseases generally recognized as communicable or transmissible

Excludes 1

certain localized infections - see body system-related chapters

Excludes 2

carrier or suspected carrier of infectious disease (Z22.-) 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 to identify resistance to antimicrobial drugs (Z16.-)

Official Guidelines for A57

FY 2026 ›
I.C.1Chapter-specific guidanceChapter 1: Certain Infectious and Parasitic Diseases (A00-B99), U07.1, U09.9

Subsections

Find A57 in the alphabetic index

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