Q17.8 ICD-10-CA code: Other specified congenital malformations of ear
Q17.8 is the ICD-10-CA code for “Other specified congenital malformations of ear” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
Q17.8Other specified congenital malformations of ear
Short description: Oth spec congenital malformations of ear
ICD-10-CA · Canada · Also written Q178
Index terms
Entries in CIHI’s alphabetical index that lead to Q17.8. Searching the index by the condition the note names is how coders reach this code.
- Darwin's tubercle
- Tubercle, Darwin's
- Agenesis, ear, lobe
- Double, auditory canal
- Hypoplasia, hypoplastic, auditory canal
- Malposition, congenital, auditory canal
- Fissure, fissured, ear, lobule, congenital
- Hypoplasia, hypoplastic, osseous meatus (ear)
- Deformity, auditory canal (external) (congenital)
- Anomaly, anomalous (congenital) (unspecified type), auricle, ear
- Anomaly, anomalous (congenital) (unspecified type), auditory canal
- Absence (organ or part) (complete or partial), ear (acquired), congenital, lobe, lobule
Notes for Q17.8
As CIHI prints them, with any note Q17.8 takes from the headings above it.
Includes
- Congenital absence of lobe of ear
Excludes
Conditions classified elsewhere.
- Preauricular sinus (Q18.1)From Q17 Other congenital malformations of ear
- 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 Q17.8 sits
- 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- 2Block Q10-Q18Congenital malformations of eye, ear, face and neck
- 3Category Q17Other congenital malformations of ear
- 4Valid code Q17.8Other specified congenital malformations of ear
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 Q17.8 mean?
Q17.8 is the ICD-10-CA code for “Other specified congenital malformations of ear” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is Q17.8 in ICD-10-CA?
Q17.8 sits under Q17 Other congenital malformations of ear, 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 Q17.8?
ICD-10-CA lists Includes, Excludes notes for Q17.8, 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.