Mastitis ICD 9 Code


Billable Medical Code for Inflammatory Disease of Breast

Diagnosis Code for Reimbursement Claim: ICD-9-CM 611.0

Code will be replaced by October 2015 and relabeled as ICD-10-CM 611.0.

The Short Description Is: Inflam disease of breast.

Known As

Mastitis is also known as abscess of areola, breast abscess, nonpuerperal, breast cellulitis, mastitis, mastitis (breast infection), mastitis nonpuerperal (inflammation of breast), nonpuerperal abscess of areola, nonpuerperal abscess of breast, nonpuerperal breast abscess, nonpuerperal breast cellulitis, nonpuerperal cellulitis of breast, nonpuerperal left mastitis, nonpuerperal mastitis, and nonpuerperal right mastitis. This excludes carbuncle of breast (680.2), chronic cystic mastitis (610.1), neonatal infective mastitis (771.5), and thrombophlebitis of breast [Mondor’s disease] (451.89). This applies to abscess (acute) (chronic) (nonpuerperal) of: areola, breast, mammillary fistula, mastitis (acute) (subacute) (nonpuerperal): NOS, infective, retromammary, and submammary.

Mastitis Definition and Symptoms

Mastitis in an infection in the breast tissue and most commonly affects breast feeding mothers. A blocked milk duct is usually the cause. Symptoms include pain or burning while breast feeding, skin redness, a fever of 101 F or higher, breast tenderness, breasts that are warm to the touch, and a general feeling of sickness.