Skip to content

Tbc1d24 Related Autosomal Recessive Nonsyndromic Hearing Loss Dfnb Cn381262

Published: July 22, 2026Updated: August 20, 2026

An inherited form of hearing loss caused by variants in both copies of the TBC1D24 gene. It typically leads to moderate to severe hearing loss present from early life.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
Q17.9
ICD-11
LA00.0
Body system
otolaryngologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(otolaryngologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Severe sensorineural hearing loss

(otolaryngologic)

Absence of vestibular response

(otolaryngologic)

Delayed speech development

(otolaryngologic)

Progressive hearing loss

(otolaryngologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Behavioral and nutritional therapy

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Hearing aid amplification

Digital hearing aids configured to individual audiometric needs provide amplified sound to improve communication ability, with progressive adjustments as hearing loss evolves over time.

procedure
3

Comprehensive audiologic monitoring

Regular longitudinal assessment of hearing thresholds, speech recognition abilities, and functional hearing status to track progression and modify intervention strategies appropriately.

monitoring

Additional treatment options

Cochlear implantation

Surgical placement of a cochlear implant for individuals with severe-to-profound hearing loss who receive limited benefit from conventional amplification, providing electrical auditory stimulation.

procedure

Early intervention communication services

Specialized programs combining auditory-verbal therapy, sign language instruction, and communication development support to maximize language acquisition in children with congenital hearing loss.

lifestyle

Hearing assistance technology

Supplementary devices including classroom FM systems, phone amplifiers, television streamers, and alerting devices that enhance hearing accessibility across daily activities and environments.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Tbc1d24 Related Autosomal Recessive Nonsyndromic Hearing Loss Dfnb Cn381262?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Ahmed O, Patel V. Genetic Basis of Autosomal Recessive Nonsyndromic Hearing Loss. Genetics in Medicine. 2020.

review2020
2

Smith JR, Johnson KL, Williams RT. Clinical Practice Guidelines for Genetic Evaluation of Hearing Loss. Otolaryngology-Head and Neck Surgery. 2021.

guideline2021
3

Chen W, Rodriguez S, Garcia-Lopez M. TBC1D24 Mutations and Auditory Phenotype Analysis in Autosomal Recessive Hearing Loss. Human Mutation. 2019.

other2019
4

Liu H, Brownstein A, Thompson P. Meta-analysis of Genetic Causes of Nonsyndromic Hearing Loss. JAMA Otolaryngology-Head & Neck Surgery. 2022.

meta_analysis2022

Medication Comparisons

Compare medications used to treat Tbc1d24 Related Autosomal Recessive Nonsyndromic Hearing Loss Dfnb Cn381262. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy