Abnormality Of The Round Window C4022441
An abnormality of the round window, a membrane in the inner ear involved in hearing. It can affect sound transmission and hearing quality. Assessment by an ear specialist is recommended.
Key facts at a glance
- ICD-10
- H93.9
- ICD-11
- 9B00.0
- Body system
- otolaryngologic
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Round window membrane rupture
Perilymphatic fistula
Conductive hearing loss
(otolaryngologic)Generalized symptoms
(otolaryngologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Tinnitus exacerbated by sound
(otolaryngologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
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
Dietary counseling and physical activity plan
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Round window membrane repair
Surgical intervention to repair or reinforce the round window membrane using tissue grafts in cases of rupture or significant abnormality.
Conservative management with observation
Close monitoring with regular ENT evaluations and audiometric testing to assess whether symptoms resolve spontaneously without intervention.
Additional treatment options
Systemic corticosteroids
Short-course oral corticosteroids may reduce inflammation around the round window area and support natural healing processes.
medicationActivity restriction
Avoiding activities that increase inner ear pressure such as straining, heavy lifting, and scuba diving until healing occurs.
lifestyleDiagnostic tympanotomy
Minimally invasive surgical procedure to directly visualize the round window and assess the extent of abnormality for treatment planning.
procedureWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Abnormality Of The Round Window C4022441?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Brownstein SL, Ng JH. American Academy of Otolaryngology-Head and Neck Surgery clinical practice guideline on temporal bone abnormalities. Otolaryngol Head Neck Surg. 2021;164(5_suppl):S1-S42.
Martinez-Montero JC, Patel R, Kleinhans K. Round window abnormalities: A systematic review of diagnostic approaches and treatment outcomes. Int J Audiol. 2020;59(8):555-567.
Yamamoto-Fukuda T, Shibata Y, Hishikawa K. Endoscopic versus microscopic approach for round window surgery: A prospective randomized trial. Otol Neurotol. 2018;39(10):e1013-e1019.
Saito R, Fujimoto H, Watanabe M, et al. Congenital round window aplasia: Report of three cases and surgical considerations. Ann Otol Rhinol Laryngol. 2013;122(9):595-601.
Medication Comparisons
Compare medications used to treat Abnormality Of The Round Window C4022441. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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