Q16.0 Congenital absence of (ear) auricle

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

Applies from Q16 Congenital malformations of ear causing impairment of hearing

Excludes1 (never code together)

• congenital deafness (H90.-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 744.01 Absence of external ear

Code annotations containing back-references to Q16.0

Back-references to Q16.0

• Type 1 Excludes: Q17 Other congenital malformations of ear ("congenital malformations of ear with impairment of hearing (Q16.0-Q16.9)")

Diagnosis Index entries for Q16.0

• Absence (of) (organ or part) (complete or partial) › auricle (ear), congenital
• Absence (of) (organ or part) (complete or partial) › ear, congenital › auricle
• Absence (of) (organ or part) (complete or partial) › ear, congenital › external
• Agenesis › auricle (ear)
• Agenesis › ear › auricle
• Malformation (congenital) › ear › external › causing impairment of hearing › absence of › auricle

Nearby codes

• Q16 Congenital malformations of ear causing impairment of hearing
• Q16.0 Congenital absence of (ear) auricle (this code)
• Q16.1 Congenital absence, atresia and stricture of auditory canal (external)
• Q16.2 Absence of eustachian tube
• Q16.3 Congenital malformation of ear ossicles
• Q16.4 Other congenital malformations of middle ear
• Q16.5 Congenital malformation of inner ear