Chancroid (A57) ICD-10-CM
The A57 code range covers chancroid with 1 ICD-10-CM diagnosis codes. 1 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- Ulcus molle
Codes in the A57 Range 1 codes · 1 billable
- A57 Chancroid
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the A57 range.
Chancroid
Acute, localized autoinoculable infectious disease usually acquired through sexual contact. Caused by HAEMOPHILUS DUCREYI, it occurs endemically almost worldwide, especially in tropical and subtropical countries and more commonly in seaports and urban areas than in rural areas.
Haemophilus ducreyi
A species of HAEMOPHILUS that appears to be the pathogen or causative agent of the sexually transmitted disease, CHANCROID.
About the A57 Code Range
ICD-10 code A57 is specifically used to identify chancroid, a bacterial sexually transmitted infection characterized by painful ulcers, typically in the genital area.
This code covers various forms of chancroid, including anogenital ulcers, extragenital ulcers, and even latent infections where symptoms may be less obvious. The synonyms associated with this code—such as penile chancroid, vulval chancroid, and infective dermatosis of female genitalia—help clarify that A57 applies broadly to chancroid infections presenting in different anatomical sites. Medical coders rely on this ICD-10 code to document chancroid cases accurately, ensuring proper diagnosis and treatment tracking. Understanding that chancroid is a distinct condition, separate from other sexually transmitted infections, assists healthcare professionals in correctly using the ICD-10 code for chancroid during patient evaluation and billing processes.
Questions About This Page
How many billable codes are in the A57 range?
Of the 1 codes in this range, 1 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the A57 range classify?
The range classifies chancroid. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
