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    v1.0.28
    OpenPayerBilling CodesInfections with a predominantly sexual mode of transmissionICD-10-CM a57-chancroid
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    ICD-10-CM Code For Chancroid: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group A57 includes diagnoses for chancroid, covering primary genital ulcerative disease caused by Haemophilus ducreyi and related presentations such as ulcer with regional lymph node involvement. These ICD-10-CM diagnosis codes are used to document cases of acute genital ulceration, capture disease severity including complications like suppurative lymphadenitis, and note anatomical site involvement. Accurate coding within the ICD-10-CM A57 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM A57: Chancroid Overview

    The ICD-10-CM A57 group represents chancroid, a bacterial sexually transmitted infection characterized by painful genital ulcers and often associated with regional lymphadenopathy. These diagnoses target the genital soft tissues and nearby lymphatic structures. Accurate coding matters because correct documentation supports clinical continuity and impacts reimbursement for sexually transmitted infection treatment services.

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    When to Use

    Use a code from this group when clinical documentation indicates chancroid as the diagnosis, including specified involvement of genital ulceration and any affected regional lymph nodes. Choose the code that matches documented complications or anatomical details to reflect the clinical scenario accurately.

    ICD-10-CM Codes

    1 rows

    ICD-10-CM CodeDescription
    A57Chancroid

    DRG Codes

    7 rows

    DRG CodeDescription
    727Inflammation of the Male Reproductive System with MCC
    728Inflammation of the Male Reproductive System without MCC
    742Uterine and Adnexa Procedures for Non-Malignancy with CC/MCC
    743Uterine and Adnexa Procedures for Non-Malignancy without CC/MCC
    757Infections, Female Reproductive System with MCC
    758Infections, Female Reproductive System with CC
    759Infections, Female Reproductive System without CC/MCC

    Typical Clinical Scenarios

    • A sexually active adult presents to the urgent care clinic with a painful, rapidly enlarging genital ulcer and tender unilateral inguinal lymphadenopathy after several days of symptoms; the ulcer has a necrotic base and friable edges on exam. The patient sought care for acute onset genital pain and drainage, and a clinical diagnosis is made based on lesion appearance and sexual exposure history, leading to assignment of the appropriate chancroid code. Typical codes: A57
    • A young adult returns for follow-up after treatment for a sexually transmitted genital ulcer; they report persistent deep ulceration with slow healing and recurrent local inflammation over several weeks despite therapy. Because the patient has an ongoing, prolonged ulcerative genital infection consistent with chancroid requiring continued clinical management, the chancroid diagnosis code is used to document the chronic/ongoing condition. Typical codes: A57
    • An emergency department patient presents with a ruptured, fluctuant inguinal bubo associated with an adjacent painful genital ulcer; the bubo requires incision and drainage and the patient is evaluated for a sexually transmitted source of the suppurative lymph node. The presence of suppurative regional lymphadenitis secondary to the genital ulcer leads to coding the underlying chancroid diagnosis as part of the encounter. Typical codes: A57

    Related Codes

    A50-CONGENITAL-SYPHILIS

    ICD-10-CM Code For Congenital Syphilis: Group Overview

    A51-EARLY-SYPHILIS

    ICD-10-CM Code For Early Syphilis: Group Overview

    A52-LATE-SYPHILIS

    ICD-10-CM Code For Late Syphilis: Group Overview

    A53-OTHER-AND-UNSPECIFIED-SYPHILIS

    ICD-10-CM Code For Other And Unspecified Syphilis: Group Overview

    A54-GONOCOCCAL-INFECTION

    ICD-10-CM Code For Gonococcal Infection: Group Overview

    A55-CHLAMYDIAL-LYMPHOGRANULOMA-VENEREUM

    ICD-10-CM Code For Chlamydial Lymphogranuloma (Venereum): Group Overview

    A56-OTHER-SEXUALLY-TRANSMITTED-CHLAMYDIAL-DISEASES

    ICD-10-CM Code For Other Sexually Transmitted Chlamydial Diseases: Group Overview

    A58-GRANULOMA-INGUINALE

    ICD-10-CM Code For Granuloma Inguinale: Group Overview

    A59-TRICHOMONIASIS

    ICD-10-CM Code For Trichomoniasis: Group Overview

    A60-ANOGENITAL-HERPESVIRAL-INFECTIONS

    ICD-10-CM Code For Anogenital Herpesviral Infections: Group Overview

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    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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