Q16.2
BillableAbsence of eustachian tube
Absence of eustachian tube
Coding Notes
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
- •inborn errors of metabolismE70-E88
- •cleft lip and cleft palateQ35-Q37
- •congenital malformation of cervical spine, , ,Q05.0, Q05.5, Q67.5, Q76.0-Q76.4
- •congenital malformation of larynxQ31
- •congenital malformation of lip NECQ38.0
- •congenital malformation of noseQ30
- •congenital malformation of parathyroid glandQ89.2
- •congenital malformation of thyroid glandQ89.2
Related Codes(6)
Q16.0Congenital absence of (ear) auricle
Q16.1Congenital absence, atresia and stricture of auditory canal
Q16.3Congenital malformation of ear ossicles
Q16.4Other congenital malformations of middle ear
Q16.5Congenital malformation of inner ear
Q16.9Congen malform of ear causing impairment of hearing, unsp
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(14)
SNOMED CT
UMLS
Clinical Terms
- Absent eustachian tube
- Aplasia of the Eustachian tube
- Eustachian tube anomalies
- Congenital abnormality of Eustachian tube
- Congenital absence of eustachian tube (disorder)
- Congenital absence of eustachian tube
Frequently Asked Questions
What is the ICD-10 code for absence of eustachian tube?
The ICD-10-CM code for absence of eustachian tube is Q16.2. The full clinical description is "Absence of eustachian tube". Q16.2 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q16.2 mean?
ICD-10-CM code Q16.2 represents “Absence of eustachian tube”. 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 Q16.2 a billable code?
Yes, Q16.2 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q16.2 in?
Q16.2 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What codes cannot be used with Q16.2?
Q16.2 has Excludes1 notes indicating codes that cannot be used together with it, including: congenital deafness (H90.-).
What SNOMED CT codes does Q16.2 map to?
Q16.2 maps to 2 SNOMED CT concepts: 204250005, 75231006. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q16.2?
Q16.2 is linked to 1 UMLS Concept Unique Identifier: C0266616. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q16.2 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like absence of eustachian tube 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 Q16.2?
Q16.2 maps to the ICD-11 code: LA20 (Structural anomaly of eustachian apparatus).
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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.