ICD Code Finder

Q83.1

Accessory breast

Billable / specificPOA exempt

Q83.1 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

Supernumerary breast

Includes (from Q83)

Note: Codes from this chapter are not for use on maternal records

Excludes2

Not included here — may be reported together when both conditions exist.

inborn errors of metabolism (E70-E88) (from Q83)
absence of pectoral muscle (Q79.8) (from Q83)
hypoplasia of breast (N64.82) (from Q83)
micromastia (N64.82) (from Q83)

Also known as

Supernumerary breast
Accessory, breast tissue, axilla
Axilla, axillary, breast
Polymastia
Supernumerary, breast

Parent code

Q83Congenital malformations of breastHeader

Related codes

Q83.0Congenital absence of breast with absent nippleBillable
Q83.2Absent nippleBillable
Q83.3Accessory nippleBillable
Q83.8Other congenital malformations of breastBillable
Q83.9Congenital malformation of breast, unspecifiedBillable

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