Q16.1 ICD-10-CA code: Congenital absence, atresia and stricture of auditory canal (external)
Q16.1 is the ICD-10-CA code for “Congenital absence, atresia and stricture of auditory canal (external)” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
Q16.1Congenital absence, atresia and stricture of auditory canal (external)
Short description: Congen absnce atresia aud canal
ICD-10-CA · Canada · Also written Q161
Index terms
Entries in CIHI’s alphabetical index that lead to Q16.1. Searching the index by the condition the note names is how coders reach this code.
- Atresia, atretic, ear canal
- Agenesis, osseous meatus (ear)
- Stricture, meatus, ear (congenital)
- Agenesis, auditory (canal) (external)
- Atresia, atretic, osseous meatus (ear)
- Fusion, fused (congenital), auditory canal
- Atresia, atretic, auditory canal (external)
- Stricture, ear canal (external) (congenital)
- Stricture, osseous meatus (ear) (congenital)
- Stricture, meatus, osseous (ear) (congenital)
- Stricture, auditory canal (external) (congenital)
- Stenosis (cicatricial), external ear canal (acquired), congenital
- Anomaly, anomalous (congenital) (unspecified type), osseous meatus (ear)
- Absence (organ or part) (complete or partial), auditory canal (congenital) (external)
Notes for Q16.1
As CIHI prints them, with any note Q16.1 takes from the headings above it.
Includes
- Atresia or stricture of osseous meatus
Excludes
Conditions classified elsewhere.
- Congenital deafness (H90.-)From Q16 Congenital malformations of ear causing impairment of hearing
- Cleft lip and cleft palate (Q35-Q37)congenital malformation of:• cervical spine (Q05.0,Q05.5,Q67.5,Q76.0-Q76.4)• larynx (Q31.-)• lip NEC (Q38.0)• nose (Q30.-)• parathyroid gland (Q89.2)• thyroid gland (Q89.2)From Q10-Q18 Congenital malformations of eye, ear, face and neck
- Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Where Q16.1 sits
- 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- 2Block Q10-Q18Congenital malformations of eye, ear, face and neck
- 3Category Q16Congenital malformations of ear causing impairment of hearing
- 4Valid code Q16.1Congenital absence, atresia and stricture of auditory canal (external)
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code Q16.1 mean?
Q16.1 is the ICD-10-CA code for “Congenital absence, atresia and stricture of auditory canal (external)” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is Q16.1 in ICD-10-CA?
Q16.1 sits under Q16 Congenital malformations of ear causing impairment of hearing, within Q10-Q18 Congenital malformations of eye, ear, face and neck, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
What coding notes apply to Q16.1?
ICD-10-CA lists Includes, Excludes notes for Q16.1, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.