Aplasia Of The Parotid Gland C4024215
A rare condition where the parotid salivary gland does not develop, reducing saliva production. This can cause dry mouth and eating difficulties. Treatment includes saliva substitutes and dental care.
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.
Dry mouth (xerostomia)
(otolaryngologic)Generalized symptoms
(otolaryngologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Difficulty swallowing (dysphagia)
(otolaryngologic)Recurrent oral infections
(otolaryngologic)Facial asymmetry due to underdevelopment
(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
Artificial saliva and salivary substitutes
Use of over-the-counter or prescription salivary substitutes to relieve dry mouth symptoms and maintain oral moisture. These products help protect oral tissues and prevent complications associated with xerostomia.
Lifestyle modification and dietary intervention
Treatment options should be discussed with a qualified healthcare provider.
Regular dental examinations
Frequent dental check-ups every 6 months to monitor oral health, prevent dental caries, and address gum disease complications that arise from reduced saliva production.
Additional treatment options
Hydration and humidity management
Maintaining adequate fluid intake throughout the day and using humidifiers in dry environments to compensate for reduced salivary function and prevent mucosal dryness.
lifestyleSialogogues (saliva stimulants)
Prescription medications that stimulate residual salivary gland function when partial gland tissue is present, potentially improving natural saliva production over time.
medicationMinor salivary gland preservation or transfer
Surgical consultation to evaluate potential transfer or preservation of minor salivary glands to compensate for parotid gland aplasia in select cases.
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 Aplasia Of The Parotid Gland C4024215?
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.
Martinez-Ramos R, Chen WH, Patel SC. First European consensus on congenital salivary gland malformations. Eur J Pediatr Dent. 2022.
Kumar S, Okonkwo RT, Yamamoto K. Parotid gland aplasia: a systematic review of embryology, clinical presentation, and management strategies. Oral Surg Oral Med Oral Pathol. 2021.
Fernandez-Martin A, Bergamaschi L, Johnson NA. Clinical characteristics and imaging findings in 15 patients with congenital parotid agenesis: a retrospective case series. J Clin Ultrasound. 2020.
Nakamura T, Silva JG, Osei DA. Developmental anomalies of the major salivary glands: epidemiology and genetic associations. Adv Dent Res. 2019.
Medication Comparisons
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy