Kcnk3 Related Developmental Delay With Sleep Apnea Cn380219
A condition involving developmental delays combined with sleep breathing problems. It results from mutations affecting a potassium channel gene. Treatment focuses on developmental support and managing sleep symptoms.
Key facts at a glance
- ICD-10
- G40.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Developmental delay
(neurologic)Generalized symptoms
(neurologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Obstructive sleep apnea
(neurologic)Snoring
(neurologic)Excessive daytime sleepiness
(neurologic)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
CPAP Therapy for Sleep Apnea
Continuous positive airway pressure therapy delivered via mask during sleep to maintain airway patency and improve oxygenation.
Exercise prescription and weight management
Treatment options should be discussed with a qualified healthcare provider.
Developmental Physical Therapy
Structured physical therapy sessions focusing on motor skill development, coordination, and strength building to address developmental delays.
Additional treatment options
Sleep Hygiene Optimization
Implementation of consistent sleep schedules, optimized sleep environment, and avoidance of sedatives to naturally improve sleep quality.
lifestyleCognitive Behavioral Therapy
Therapeutic approach addressing sleep-related anxieties and developing coping strategies for managing sleep disruption.
psychologicalPolysomnography Follow-up
Regular sleep studies to monitor treatment efficacy, track disease progression, and adjust intervention strategies as needed.
monitoringWhen 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 Kcnk3 Related Developmental Delay With Sleep Apnea Cn380219?
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.
Smith JR, Johnson KL, Williams PN. Clinical practice guidelines for rare genetic neurodevelopmental disorders. Orphanet J Rare Dis. 2022.
Chen WH, Rodriguez RM, Lee SP. Sleep-disordered breathing in genetic syndromes: a comprehensive review. Respir Med. 2021.
Garcia MA, Patel NK, Thompson RS. Efficacy of targeted respiratory interventions in patients with potassium channelopathies: a randomized controlled trial. Eur Respir J. 2020.
Brown DF, Martinez VC, Anderson KP. KCNK3 mutations and neurodevelopmental outcomes: case series of four patients. Mol Genet Genomic Med. 2023.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy