Mastitis without abscess
Billable / specific
N61.0 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Applicable to
- Infective mastitis (acute) (nonpuerperal) (subacute)
- Mastitis (acute) (nonpuerperal) (subacute) NOS
- Cellulitis (acute) (nonpuerperal) (subacute) of breast NOS
- Cellulitis (acute) (nonpuerperal) (subacute) of nipple NOS
Excludes1
Not coded here — never report together with this code.
- disorders of breast associated with childbirth (O91-O92) (from N61)
- inflammatory carcinoma of breast (C50.A-) (from N61)
- inflammatory disorder of breast associated with childbirth (O91.-) (from N61)
- neonatal infective mastitis (P39.0) (from N61)
- thrombophlebitis of breast [Mondor's disease] (I80.8) (from N61)
Excludes2
Not included here — may be reported together when both conditions exist.
- certain conditions originating in the perinatal period (P04-P96) (from N61)
- certain infectious and parasitic diseases (A00-B99) (from N61)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from N61)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from N61)
- endocrine, nutritional and metabolic diseases (E00-E88) (from N61)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from N61)
- neoplasms (C00-D49) (from N61)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from N61)
Also known as
- Infective mastitis (acute) (nonpuerperal) (subacute)
- Mastitis (acute) (nonpuerperal) (subacute) NOS
- Cellulitis (acute) (nonpuerperal) (subacute) of breast NOS
- Cellulitis (acute) (nonpuerperal) (subacute) of nipple NOS
- Cellulitis, breast
- Cellulitis, breast, nipple
- Cellulitis, nipple
- Fistula, breast
- Fistula, mammary
- Galactophoritis
- Infection, infected, infective, mammary gland
- Infection, infected, infective, nipple
- Inflammation, inflamed, inflammatory, areola
- Inflammation, inflamed, inflammatory, breast
- Inflammation, inflamed, inflammatory, nipple
- Mammillitis
- Mastitis
- Mastitis, infective
- Mastitis, without abscess
Parent code
- N61Inflammatory disorders of breastHeader