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    v1.0.28
    OpenPayerBilling CodesNoninflammatory disorders of female genital tractICD-10-CM n90-other-noninflammatory-vulvar-disorders
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    ICD-10-CM Code For Other Noninflammatory Disorders Of Vulva And Perineum: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group N90 includes noninflammatory disorders of the vulva and perineum, such as vulvar atrophy, hypertrophy, and other degenerative or developmental conditions affecting the external female genitalia. These ICD-10-CM diagnosis codes are used to document clinical encounters involving structural or functional vulvar and perineal abnormalities, capturing disease location and any related anatomic changes. Accurate coding within the ICD-10-CM N90 group supports proper claim adjudication and complete clinical documentation.

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    ICD-10-CM N90: Other Noninflammatory Disorders Of Vulva And Perineum Overview

    The ICD-10-CM N90 group covers noninflammatory structural and functional disorders of the vulva and perineum, such as atrophy, hypertrophy, and other degenerative or developmental conditions. These diagnoses target the female external genitalia and surrounding perineal tissues. Accurate coding matters for appropriate claim adjudication and ensures clinical records reflect the specific vulvar or perineal condition.

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    When to Use

    Use a code from this group when a patient presents with a documented noninflammatory vulvar or perineal condition such as atrophy or hypertrophy that is the focus of the visit. These codes apply when the clinician documents the specific vulvar or perineal disorder and it is relevant to billing or clinical records.

    ICD-10-CM Codes

    16 rows

    ICD-10-CM CodeDescription
    N90.0Mild vulvar dysplasia
    N90.1Moderate vulvar dysplasia
    N90.3Dysplasia of vulva, unspecified
    N90.4Leukoplakia of vulva
    N90.5Atrophy of vulva
    N90.60Unspecified hypertrophy of vulva
    N90.61Childhood asymmetric labium majus enlargement
    N90.69Other specified hypertrophy of vulva
    N90.7Vulvar cyst
    N90.810Female genital mutilation status, unspecified
    N90.811Female genital mutilation Type I status
    N90.812Female genital mutilation Type II status
    N90.813Female genital mutilation Type III status
    N90.818Other female genital mutilation status
    N90.89Other specified noninflammatory disorders of vulva and perineum
    N90.9Noninflammatory disorder of vulva and perineum, unspecified

    DRG Codes

    4 rows

    DRG CodeDescription
    742Uterine and Adnexa Procedures for Non-Malignancy with CC/MCC
    743Uterine and Adnexa Procedures for Non-Malignancy 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 premenopausal woman presents to gynecology clinic with chronic vulvar itching, dyspareunia, and visible thinning and flattening of the labia majora that has progressed over months without signs of infection or inflammation; she reports cosmetic concern and discomfort with sexual activity, prompting evaluation and conservative management options. A noninflammatory structural or atrophic vulvar condition is documented after exam and history. Typical codes: N90.0, N90.9
    • An elderly postmenopausal patient is seen urgently for pain and bleeding from a small fissure-like lesion on the vulva after minor trauma; exam shows a superficial split of the labial tissue consistent with labial adhesion separation or fissure rather than an infectious process, requiring local care and follow-up. The encounter notes a noninflammatory disorder of the vulvar tissue as the primary diagnosis. Typical codes: N90.1, N90.7
    • A reproductive-age woman with a history of female genital cosmetic surgery develops persistent hypertrophic tissue and abnormal vulvar contour with discomfort during intercourse and difficulties with hygiene; she is evaluated as an outpatient for sequelae of prior procedure and planning for revision. The diagnosis reflects other noninflammatory structural disorders or complications of vulvar anatomy. Typical codes: N90.61, N90.89

    Related Codes

    N80-ENDOMETRIOSIS

    ICD-10-CM Code For Endometriosis: Group Overview

    N81-FEMALE-GENITAL-PROLAPSE

    ICD-10-CM Code For Female Genital Prolapse: Group Overview

    N82-FISTULAE-INVOLVING-FEMALE-GENITAL-TRACT

    ICD-10-CM Code For Fistulae Involving Female Genital Tract: Group Overview

    N83-NONINFLAMMATORY-DISORDERS-OF-OVARY

    ICD-10-CM Code For Noninflammatory Disorders Of Ovary Fallopian Tube And Broad Ligament: Group Overview

    N84-POLYP-OF-FEMALE-GENITAL-TRACT

    ICD-10-CM Code For Polyp Of Female Genital Tract: Group Overview

    N85-OTHER-NONINFLAMMATORY-DISORDERS-OF-UTERUS

    ICD-10-CM Code For Other Noninflammatory Disorders Of Uterus Except Cervix: Group Overview

    N86-EROSION-AND-ECTROPION-OF-CERVIX-UTERI

    ICD-10-CM Code For Erosion And Ectropion Of Cervix Uteri: Group Overview

    N87-DYSPLASIA-OF-CERVIX-UTERI

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

    N88-OTHER-NONINFLAMMATORY-DISORDERS-OF-CERVIX-UTERI

    ICD-10-CM Code For Other Noninflammatory Disorders Of Cervix Uteri: Group Overview

    N89-OTHER-NONINFLAMMATORY-DISORDERS-OF-VAGINA

    ICD-10-CM Code For Other Noninflammatory Disorders Of Vagina: 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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