autosomal recessive hyperinsulinism due to Kir6.2 deficiency
MONDO:0019334Mondo
Findings
No curated finding names autosomal recessive hyperinsulinism due to Kir6.2 deficiency yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Features
19 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Hyperinsulinemic hypoglycemiaHPOHP:0000825
- Obligate (100% of cases)
- Abnormal response to glucagon stimulation testHPOHP:0031080
- Very frequent (80% to 99% of cases)
- Abnormality of the nervous systemHPOHP:0000707
- Very frequent (80% to 99% of cases)
- Elevated circulating C-peptide concentrationHPOHP:0030796
- Very frequent (80% to 99% of cases)
- Recurrent hypoglycemiaHPOHP:0001988
- Very frequent (80% to 99% of cases)
- Decreased circulating free fatty acid levelHPOHP:0040299
- Frequent (30% to 79% of cases)
- Diffuse pancreatic islet hyperplasiaHPOHP:0031224
- Frequent (30% to 79% of cases)
- Elevated circulating growth hormone concentrationHPOHP:0000845
- Frequent (30% to 79% of cases)
- Focal pancreatic islet hyperplasiaHPOHP:0031223
- Frequent (30% to 79% of cases)
- Large for gestational ageHPOHP:0001520
- Frequent (30% to 79% of cases)
- ApneaHPOHP:0002104
- Occasional (5% to 29% of cases)
- Feeding difficultiesHPOHP:0011968
- Occasional (5% to 29% of cases)
Reported absent (1)
- KetonuriaHPOHP:0002919
Show the remaining 7
- Floppy infantHPOHP:0008947
- Occasional (5% to 29% of cases)
- Increased circulating cortisol levelHPOHP:0003118
- Occasional (5% to 29% of cases)
- Intellectual disabilityHPOHP:0001249
- Occasional (5% to 29% of cases)
- Multiple pancreatic beta-cell adenomasHPOHP:0008194
- Occasional (5% to 29% of cases)
- Neonatal hypoglycemiaHPOHP:0001998
- Occasional (5% to 29% of cases)
- Neurodevelopmental delayHPOHP:0012758
- Occasional (5% to 29% of cases)
Genes
1 gene
Germline variants in the gene encoding each protein, as classified by GenCC submitters, each in their own words. Limited, disputed and refuted submissions are listed too.
- KCNJ11HGNC:6257
- Supportive · Orphanet · Autosomal recessive · 2021
Where it sits
Other names
1 name
Resolves to: autosomal recessive hyperinsulinism due to Kir6.2 deficiency
- Also called
- autosomal recessive hyperinsulinemic hypoglycemia due to Kir6.2 deficiency