Q17.0 Accessory auricle

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Accessory tragus
• Polyotia
• Preauricular appendage or tag
• Supernumerary ear
• Supernumerary lobule

Applies from Q17 Other congenital malformations of ear

Excludes1 (never code together)

• congenital malformations of ear with impairment of hearing (Q16.0-Q16.9)
• preauricular sinus (Q18.1)

MS-DRG index

Defines the logic of DRG(s) 154-156 in MDC 03.

Approximate ICD-9-CM (GEMs)

• 744.1 Accessory auricle

Diagnosis Index entries for Q17.0

• Accessory (congenital) › auricle (ear)
• Accessory (congenital) › ear (auricle) (lobe)
• Accessory (congenital) › lobule (ear)
• Accessory (congenital) › preauricular appendage
• Accessory (congenital) › tragus
• Appendage › preauricular
• Malformation (congenital) › ear › external › accessory auricle
• Polyotia
• Preauricular appendage or tag
• Supernumerary (congenital) › ear (lobule)
• Supernumerary (congenital) › lobule (ear)
• Tag (hypertrophied skin) (infected) › preauricular
• Tag (hypertrophied skin) (infected) › skin › preauricular

Nearby codes

• Q17 Other congenital malformations of ear
• Q17.0 Accessory auricle (this code)
• Q17.1 Macrotia
• Q17.2 Microtia
• Q17.3 Other misshapen ear
• Q17.4 Misplaced ear
• Q17.5 Prominent ear