N64.89

N64.89: Other specified disorders of breast

Billable / specific codeICD-10-CM

N64.89 is a billable, specific ICD-10-CM code for other specified disorders of breast. It is valid for submission on a claim.

Check N64.89 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Galactocele
Subinvolution of breast (postlactational)

Excludes2 inherited from the categories above N64.89

Not part of this code, but both may be coded when both are present.

Written on N64: Other disorders of breast

mechanical complication of breast prosthesis and implant (T85.4-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

N64.89 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52849Billing and Coding: Breast Imaging: Breast Echography (Sonography)/Breast MRI/Ductography
A56448Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography
A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
A56658Billing and Coding: Cosmetic and Reconstructive Surgery

Alphabetic index entries that lead here

Galactocele(breast)
Cyst›milk
Deformity›breast(acquired)
Degeneration, degenerative›breast
Degeneration, degenerative›nipple
Hematoma›breast(nontraumatic)
Infarct, infarction›breast
Mastopathy, mastopathia›estrogenic, oestrogenica, oestrogenic
Mastopathy, mastopathia›ovarian origin
Occlusion, occluded›mammary duct
Pendulous›breast
Subinvolution›breast(postlactational) (postpuerperal)

Code history

Unchanged in every release from FY2024 to FY2027.