Other disorders of breast N64

• N64 should not be used for reimbursement purposes. Please select a more specific diagnosis below.
• The 2019 edition of ICD-10-CM N64 became effective on October 1, 2018.
• This is the American ICD-10-CM version of N64 - other international versions of ICD-10 N64 may differ.

Codes: = Billable

• 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
  • N64.8 Other specified disorders of breast
  • N64.9 Disorder of breast, unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.