Q16.3

Congenital malformation of ear ossicles

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 8 never code together

Q16code

Excludes1

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)Q05.0 Q05.5 Q67.5 Q76.0-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

Inclusion terms

Index entries leading here 12

Absence (of) (organ or part) (complete or partial)
- ear, congenital Q16.9
  - ossicles Q16.3
  - middle, except ossicles Q16.4
    - ossicles Q16.3
- incus (acquired) — see Loss, ossicles, ear
  - congenital Q16.3
Accessory (congenital)
- auditory ossicles Q16.3
Agenesis
- incus Q16.3
Anomaly, anomalous (congenital) (unspecified type) Q89.9
- ear (external) Q17.9
  - ossicles Q16.3
- middle ear Q16.4
  - ossicles Q16.3
Persistence, persistent (congenital)
- arteria stapedia Q16.3
Fusion, fused (congenital)
- ossicles Q79.9
  - auditory Q16.3
- ear ossicles Q16.3
Supernumerary (congenital)
- auditory ossicles Q16.3
- ossicles, auditory Q16.3
Malposition
- congenital
  - ear (auricle) (external) Q17.4
    - ossicles Q16.3
Deformity Q89.9
- ear (acquired) — see also Disorder, pinna, deformity
  - congenital (external) Q17.9
    - ossicles Q16.3
    - middle Q16.4
      - ossicles Q16.3
- middle ear (congenital) Q16.4
  - ossicles Q16.3
Distortion (s) (congenital)
- ossicles, ear Q16.3
- ear (auricle) (external) Q17.3
  - middle Q16.4
    - ossicles Q16.3
Malformation (congenital) — see also Anomaly
- ear Q17.9
  - middle Q16.4
    - ossicles (fusion) Q16.3
  - ossicles Q16.3
- middle ear Q16.4
  - ossicles Q16.3
Maldevelopment — see also Anomaly
- ossicles Q16.3
- middle ear Q16.4
  - ossicles Q16.3

Alongside this code 6 same parent — Q16

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

Present FY2024–FY2027.