Is Q83.1 a billable ICD-10-CM code?

Yes. Q83.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Q83.1 sit in the tabular list?

Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Other congenital malformations (Q80-Q89).

Q83.1

Q83.1 — Accessory breast

Billable / specific codeICD-10-CMPOA exempt

Q83.1 is a billable, specific ICD-10-CM code for accessory breast. It is valid for submission on a claim.

Inclusion terms

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

Supernumerary breast

Risk adjustment

Q83.1 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

How Q83.1 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Q83.1.

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

Related codes at this level

Codes that share Q83. If Q83.1 is not quite right, the correct code is usually one of these.

Questions about Q83.1

Is Q83.1 a billable ICD-10-CM code?: Yes. Q83.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Q83.1 sit in the tabular list?: Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Other congenital malformations (Q80-Q89).