AutoICD API

Q16.5

Billable

Congenital malformation of inner ear

Congenital malformation of inner ear

Status

Billable / Specific

Parent Code

Q16

ICD-11 Mapping

1 equivalent

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Congenital anomaly of membranous labyrinth
  • Congenital anomaly of organ of Corti

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Excludes 2

Conditions not included here, but the patient may have both

Related Codes(6)
Q16.0

Congenital absence of (ear) auricle

BillableQ16.1

Congenital absence, atresia and stricture of auditory canal

BillableQ16.2

Absence of eustachian tube

BillableQ16.3

Congenital malformation of ear ossicles

BillableQ16.4

Other congenital malformations of middle ear

BillableQ16.9

Congen malform of ear causing impairment of hearing, unsp

Billable
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

LA22.4Structural developmental anomalies of inner earequivalentPrimary
Also Known As / Clinical Terms(122)

SNOMED CT

UMLS

Clinical Terms

  • Congenital abnormal shape of inner ear (disorder)
  • Congenital misshapen inner ear
  • Complete deafness
  • Congenital anomaly of organ of Corti (disorder)
  • Cerebrospinal fluid otorrhea due to congenital malformation of labyrinth
  • Congenital abnormality of inner ear
  • Congenital absence of membranous labyrinth
  • Congenital anomaly of membranous labyrinth
  • Congenital anomaly of semicircular canal
  • Congenital abnormal shape of inner ear
  • Cerebrospinal fluid otorrhoea
  • CSF - Cerebrospinal fluid otorrhea
  • Cerebrospinal otorrhea
  • Congenital anomaly of inner ear
  • Congenital dysplasia of vestibule of ear
  • Mondini defect
  • Congenital anomaly of vestibule of inner ear
  • Incomplete formation of membranous labyrinth
  • Congenital anomaly of organ of Corti
  • Congenital cochleovestibular malformation
  • Congenital deafness with labyrinthine aplasia, microtia and microdontia
  • Cerebrospinal fluid otorrhoea due to congenital deformity of labyrinth
  • Congenital anomaly of the membranous labyrinth
  • Cerebrospinal fluid otorrhea due to congenital deformity of labyrinth
  • Aplasia of the cochlea and vestibular labyrinth
  • CSF - Cerebrospinal otorrhea
  • Cerebrospinal fluid otorrhea
  • Incomplete formation of bony cochlea
  • Congenital anomaly of membranous labyrinth (disorder)
  • Congenital aplasia of inner ear
  • CSF - Cerebrospinal otorrhoea
  • Congenital anomaly of the organ of Corti
  • Congenital malformation of left inner ear
  • Congenital malformation of bilateral inner ears
  • Congenital deafness with inner ear agenesis, microtia, and microdontia
  • Congenital small ears
  • Inner ear anomaly
  • Microdontia
  • Incomplete development of membranous labyrinth
  • Congenital hypoplasia of vestibule of osseous labyrinth
  • Congenital hypoplasia of semicircular canal
  • Cerebrospinal otorrhoea
  • Congenital anomaly of cochlea
  • CSF - Cerebrospinal fluid otorrhoea
  • Congenital deafness
  • Congenital malformation of right inner ear
  • Microdontism
  • Microtia
  • Structural anomaly of the cochlea and vestibular labyrinth
  • Congenital dysplasia of ear vestibule
  • Anomaly of inner ear congenital NOS
  • Congenital anomaly of inner ear (disorder)
  • Congenital hypoplasia of vestibular structure of inner ear
  • Congenital deformity of labyrinth
  • LAMM syndrome
  • Cerebrospinal fluid otorrhoea due to congenital malformation of labyrinth
Frequently Asked Questions
What is the ICD-10 code for congenital malformation of inner ear?

The ICD-10-CM code for congenital malformation of inner ear is Q16.5. The full clinical description is "Congenital malformation of inner ear". Q16.5 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q16.5 mean?

ICD-10-CM code Q16.5 represents “Congenital malformation of inner ear”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.

Is Q16.5 a billable code?

Yes, Q16.5 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q16.5 in?

Q16.5 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What codes cannot be used with Q16.5?

Q16.5 has Excludes1 notes indicating codes that cannot be used together with it, including: congenital deafness (H90.-).

What SNOMED CT codes does Q16.5 map to?

Q16.5 maps to 29 SNOMED CT concepts: 232299007, 68382005, 1259114008, 8531006, 92918008, and 24 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q16.5?

Q16.5 is linked to 3 UMLS Concept Unique Identifiers: C0685874, C0266605, C0266608. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does Q16.5 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like congenital malformation of inner ear affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of Q16.5?

Q16.5 maps to the ICD-11 code: LA22.4 (Structural developmental anomalies of inner ear).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.