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Diagnosis Code

N64.9 DISORDER OF BREAST, UNSPECIFIED


Code Information

Diagnosis Code: N64.9

Short Description: Disorder of breast, unspecified

Long Description: Disorder of breast, unspecified

The code N64.9 is VALID for claim submission

Code Classification:

  • Diseases of the genitourinary system (N00–N99)
    • Disorders of breast (N60-N65)
      • Other disorders of breast (N64)
        • N64.9 Disorder of breast, unspecified

Code Version: 2022 ICD-10-CM


Synonyms

  • Abnormal nipple
  • Breast problem
  • Chronic disease of breast
  • Disorder of breast
  • Disorder of nipple
  • Lesion of breast
  • Nipple problem
  • Problem of chest

Diagnostic Related Group(s)

The code N64.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Non-malignant Breast Disorders With Cc/mcc (600)
  • Non-malignant Breast Disorders Without Cc/mcc (601)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
N64.9 Right Arrow 611.9 Breast disorder NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
N64 Other disorders of breast
N64.0 Fissure and fistula of nipple
N64.1 Fat necrosis of breast
N64.2 Atrophy of breast
N64.3 Galactorrhea not associated with childbirth
N64.4 Mastodynia
N64.5 Other signs and symptoms in breast
N64.51 Induration of breast
N64.52 Nipple discharge
N64.53 Retraction of nipple
N64.59 Other signs and symptoms in breast
N64.8 Other specified disorders of breast
N64.81 Ptosis of breast
N64.82 Hypoplasia of breast
N64.89 Other specified disorders of breast

This page was last updated on: 10/1/2023

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