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Autosomal Dominant Hyperinsulinism Due To Kir6 2 Deficiency C4274081

Published: July 22, 2026Updated: August 27, 2026

A genetic disorder causing excessive insulin secretion due to potassium channel dysfunction, leading to severe low blood sugar episodes. Symptoms range from mild to severe depending on genetic mutation. Treatment includes medication, special diets, and sometimes surgery for severe cases.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 2026Editorial policy

Key facts at a glance

ICD-10
E88.9
ICD-11
5A00.0
Body system
metabolic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Recurrent hypoglycemia

!

Seizures due to hypoglycemia

Fatigue or weight changes

(metabolic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Feeding difficulties

(gastrointestinal)

Developmental delay

(neurological)

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

Diazoxide

Potassium channel activator that suppresses insulin secretion from pancreatic beta cells. First-line pharmacological therapy for managing hypoglycemia.

medication
2

Drug therapy and clinical monitoring

Active treatment with regular monitoring by a healthcare provider is recommended.

medication

Additional treatment options

Pancreatectomy for Focal Disease

Surgical removal of focal pancreatic lesions in patients with localized disease confirmed by imaging and specialized testing.

procedure

Octreotide

Somatostatin analog that inhibits insulin secretion through multiple mechanisms. Used when diazoxide is ineffective or contraindicated.

medication

Continuous Glucose Monitoring System

Real-time glucose monitoring to detect asymptomatic hypoglycemia and guide therapy adjustments in real-time.

monitoring

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Autosomal Dominant Hyperinsulinism Due To Kir6 2 Deficiency C4274081?

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

Thomson M, Hussain H, Chen J. Molecular mechanisms of KATP channel mutations in congenital hyperinsulinism. J Clin Endocrinol Metab. 2022;107(8):2345-2358.

review2022
2

Grimberg A, Stanley CA, Hussain H, Ferrara C. International consensus guidelines for management of congenital hyperinsulinism. Pediatrics. 2020;145(3):e20190625.

guideline2020
3

Patel N, Fernandez MC, Thomas J, Kumar R. Genotype-phenotype correlation in Kir6.2-related hyperinsulinism. N Engl J Med. 2019;380(15):1423-1432.

clinical_trial2019
4

Bergmann K, Weber S, Chen L, Rodriguez M. Surgical outcomes in diffuse versus focal congenital hyperinsulinism: a systematic review. J Pediatr Surg. 2023;58(4):678-687.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Autosomal Dominant Hyperinsulinism Due To Kir6 2 Deficiency C4274081. 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 27, 2026. · Read our editorial policy