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    v1.0.28
    OpenPayerBilling CodesDisorders of breastICD-10-CM n60-benign-mammary-dysplasia
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    ICD-10-CM Code For Benign Mammary Dysplasia: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group N60 includes benign disorders of the breast such as fibrocystic changes, benign breast masses, and other nonmalignant proliferative conditions affecting breast tissue. These ICD-10-CM diagnosis codes are used to document clinical encounters involving benign breast disease, capturing disease type, laterality, and associated findings relevant to management and follow-up. Accurate coding within the ICD-10-CM N60 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM N60: Benign Mammary Dysplasia Overview

    The diagnoses in the ICD-10-CM N60 group represent benign disorders of breast tissue, including various forms of fibroadenosis, cysts, and other nonmalignant proliferative changes. These conditions affect the breast and surrounding tissues and are commonly encountered in outpatient and specialty care. Accurate coding matters for correct clinical documentation and appropriate reimbursement for services related to diagnosis, imaging, and management.

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    When to Use

    Use a code from this group when documenting clinical encounters for nonmalignant breast conditions such as cysts, fibrocystic changes, or benign masses. Select codes that reflect the specific diagnosis, laterality, and any documented complications or related findings.

    ICD-10-CM Codes

    21 rows

    ICD-10-CM CodeDescription
    N60.01Solitary cyst of right breast
    N60.02Solitary cyst of left breast
    N60.09Solitary cyst of unspecified breast
    N60.11Diffuse cystic mastopathy of right breast
    N60.12Diffuse cystic mastopathy of left breast
    N60.19Diffuse cystic mastopathy of unspecified breast
    N60.21Fibroadenosis of right breast
    N60.22Fibroadenosis of left breast
    N60.29Fibroadenosis of unspecified breast
    N60.31Fibrosclerosis of right breast
    N60.32Fibrosclerosis of left breast
    N60.39Fibrosclerosis of unspecified breast
    N60.41Mammary duct ectasia of right breast
    N60.42Mammary duct ectasia of left breast
    N60.49Mammary duct ectasia of unspecified breast
    N60.81Other benign mammary dysplasias of right breast
    N60.82Other benign mammary dysplasias of left breast
    N60.89Other benign mammary dysplasias of unspecified breast
    N60.91Unspecified benign mammary dysplasia of right breast
    N60.92Unspecified benign mammary dysplasia of left breast

    Showing 1–20 of 21

    DRG Codes

    2 rows

    DRG CodeDescription
    600Non-Malignant Breast Disorders with CC/MCC
    601Non-Malignant Breast Disorders without CC/MCC

    Typical Clinical Scenarios

    • A 28-year-old woman presents to primary care with a several-month history of cyclical, bilateral breast pain and mobile, well-circumscribed lumps that fluctuate with her menstrual cycle. Physical exam finds multiple tender nodules without skin changes or nipple discharge; the clinician documents benign fibrocystic changes after correlation with ultrasound showing simple cysts, and assigns a code to reflect noninflammatory breast cystic changes. Typical codes: N60.11, N60.12
    • A 45-year-old woman comes to the breast clinic with a single, palpable, non-tender, well-defined mass in the upper outer quadrant of the right breast discovered on self-exam; mammography and targeted ultrasound characterize it as a solitary fibroadenoma. The lesion is benign and not associated with infection or malignancy, so a specific benign localized breast lesion code is used to capture the diagnosed benign mammary dysplasia. Typical codes: N60.01, N60.02
    • A 62-year-old woman with a history of prior breast biopsy and chronic scarring presents with unilateral breast thickening and irregular nodularity without signs of malignancy; clinical assessment attributes the changes to postoperative and postprocedural benign changes rather than recurrent cancer. A code indicating other specified or unspecified benign breast disorder is assigned to document the chronic post-surgical mammary dysplasia as a comorbidity affecting surveillance and care. Typical codes: N60.89, N60.99

    Related Codes

    N61-INFLAMMATORY-DISORDERS-OF-BREAST

    ICD-10-CM Code For Inflammatory Disorders Of Breast: Group Overview

    N62-HYPERTROPHY-OF-BREAST

    ICD-10-CM Code For Hypertrophy Of Breast: Group Overview

    N63-UNSPECIFIED-LUMP-IN-BREAST

    ICD-10-CM Code For Unspecified Lump In Breast: Group Overview

    N64-OTHER-DISORDERS-OF-BREAST

    ICD-10-CM Code For Other Disorders Of Breast: Group Overview

    N65-DEFORMITY-AND-DISPROPORTION-RECONSTRUCTED-BREAST

    ICD-10-CM Code For Deformity And Disproportion Of Reconstructed Breast: 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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