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    OpenPayerBilling CodesInflammatory diseases of female pelvic organsICD-10-CM n77-vulvovaginal-ulceration-and-inflammation
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    ICD-10-CM Code For Vulvovaginal Ulceration And Inflammation In Diseases Classified Elsewhere: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group N77 includes vulvar and vaginal ulceration and inflammatory conditions that occur as manifestations of diseases classified in other chapters, such as systemic inflammatory or infectious disorders. These ICD-10-CM diagnosis codes are used to document localized vulvovaginal involvement secondary to a primary disorder, capturing details about site and relation to an underlying disease. Accurate coding within the ICD-10-CM N77 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM N77: Vulvovaginal Ulceration And Inflammation In Diseases Classified Elsewhere Overview

    This group represents vulvar and vaginal ulceration and inflammatory lesions that occur as manifestations of systemic or other specified diseases classified elsewhere. It targets the female lower genital tract and captures conditions where the primary disease is coded in another chapter but causes vulvovaginal involvement. Accurate coding matters for complete clinical documentation and for correct linkage between the underlying systemic disorder and local genital findings, which supports appropriate reimbursement.

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    When to Use

    Use a code from this group when a patient has documented vulvar or vaginal ulceration or inflammation that is explicitly attributed to a primary disease classified in another ICD-10-CM chapter. Select the specific N77 code that reflects the site and description of the lesion and ensure the underlying condition is coded separately.

    ICD-10-CM Codes

    2 rows

    ICD-10-CM CodeDescription
    N77.0Ulceration of vulva in diseases classified elsewhere
    N77.1Vaginitis, vulvitis and vulvovaginitis in diseases classified elsewhere

    DRG Codes

    7 rows

    DRG CodeDescription
    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
    760Menstrual and Other Female Reproductive System Disorders with CC/MCC
    761Menstrual and Other Female Reproductive System Disorders without CC/MCC

    Typical Clinical Scenarios

    • A reproductive-aged woman presents to urgent care with acute onset of painful vulvar ulcers accompanied by fever and dysuria after a recent episode of primary genital herpes. Examination reveals multiple shallow ulcerations on the labia majora and vestibule with tender inguinal adenopathy, prompting assignment of N77.0 for vulvar ulceration in a disease classified elsewhere because the ulceration is attributable to the underlying herpetic infection. Typical codes: N77.0
    • A postmenopausal patient with long-standing systemic autoimmune disease (such as Crohn disease) is evaluated in gynecology clinic for chronic, nonhealing ulcerative lesions of the vulva and perineum associated with local inflammation and scarring; biopsies confirm inflammatory ulceration related to the underlying systemic condition, so a code from this group is used to capture vulvovaginal ulceration as part of a disease classified elsewhere. Typical codes: N77.1
    • A pregnant woman in her second trimester presents to the emergency department with severe vulvar pain and a single large ulceration complicated by secondary bacterial superinfection and cellulitis; because the ulcerative lesion is part of an underlying infectious process and requires documentation of the vulvovaginal ulceration in the setting of another disease, a code from this group is assigned along with codes for the causative infection and bacterial complication. Typical codes: N77.0, N77.1

    Related Codes

    N70-SALPINGITIS-AND-OOPHORITIS

    ICD-10-CM Code For Salpingitis And Oophoritis: Group Overview

    N71-INFLAMMATORY-DISEASE-OF-UTERUS

    ICD-10-CM Code For Inflammatory Disease Of Uterus Except Cervix: Group Overview

    N72-INFLAMMATORY-DISEASE-OF-CERVIX-UTERI

    ICD-10-CM Code For Inflammatory Disease Of Cervix Uteri: Group Overview

    N73-OTHER-FEMALE-PELVIC-INFLAMMATORY-DISEASES

    ICD-10-CM Code For Other Female Pelvic Inflammatory Diseases: Group Overview

    N74-FEMALE-PELVIC-INFLAMMATORY-DISORDERS

    ICD-10-CM Code For Female Pelvic Inflammatory Disorders In Diseases Classified Elsewhere: Group Overview

    N75-DISEASES-OF-BARTHOLINS-GLAND

    ICD-10-CM Code For Diseases Of Bartholin's Gland: Group Overview

    N76-OTHER-INFLAMMATION-OF-VAGINA-AND-VULVA

    ICD-10-CM Code For Other Inflammation Of Vagina And Vulva: Group Overview

    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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