Q16.1
Congenital absence, atresia and stricture of auditory canal (external)
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 8 never code together
Q10-Q18block
Excludes2
- cleft lip and cleft palate (Q35-Q37)Q35-Q37
- congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4)Q05.0Q05.5Q67.5Q76.0-Q76.4
- congenital malformation of larynx (Q31.-)Q31.-
- congenital malformation of lip NEC (Q38.0)Q38.0
- congenital malformation of nose (Q30.-)Q30.-
- congenital malformation of parathyroid gland (Q89.2)Q89.2
- congenital malformation of thyroid gland (Q89.2)Q89.2
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 1
Q16.1code
Inclusion terms
- Congenital atresia or stricture of osseous meatus
Index entries leading here 8
- Malformation (congenital) — see also Anomaly
- Absence (of) (organ or part) (complete or partial)
- auditory canal (congenital) (external) Q16.1
- Agenesis
- Anomaly, anomalous (congenital) (unspecified type) Q89.9
- osseous meatus (ear) Q16.1
- Atresia, atretic
- Fusion, fused (congenital)
- auditory canal Q16.1
- Stenosis, stenotic (cicatricial) — see also Stricture
- Stricture — see also Stenosis
Alongside this code 6 same parent — Q16
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.