Signs & Symptoms
Based on Human Phenotype Ontology (HPO) disease-phenotype annotations.
Reduced HMG-CoA lyase activity in cultured fibroblasts
Always present (100%)HP:6000216
3-methylglutaricaciduria
Very frequent (80-99%)HP:0003344
Elevated serum anion gap
Very frequent (80-99%)HP:0031962
High blood ammonia levels
Very frequent (80-99%)HP:0001987
Low blood sugar
Very frequent (80-99%)HP:0001943
Metabolic acidosis
Very frequent (80-99%)HP:0001942
Nonketotic hypoglycemia
Very frequent (80-99%)HP:0001958
Abnormal liver function
Frequent (30-79%)HP:0002910
Alanine aminotransferase increased
Frequent (30-79%)HP:0031964
Central hypotonia
Frequent (30-79%)HP:0001252
Cognitive delay
Frequent (30-79%)HP:0001263
Decreased PT
Frequent (30-79%)HP:0032198
Electroencephalogram abnormal
Frequent (30-79%)HP:0002353
Elevated serum aspartate aminotransferase
Frequent (30-79%)HP:0031956
Enlarged liver
Frequent (30-79%)HP:0002240
Epilepsy
Frequent (30-79%)HP:0001250
Episodic vomiting
Frequent (30-79%)HP:0002572
Hyperuricaemia
Frequent (30-79%)HP:0002149
Hypoglycemic episodes
Frequent (30-79%)HP:0001988
Increased blood lactate
Frequent (30-79%)HP:0002151
Lack of feeling, emotion, interest
Frequent (30-79%)HP:0000741
Lipid accumulation in hepatocytes
Frequent (30-79%)HP:0006561
Low factor II activity
Frequent (30-79%)HP:0008151
Low number of red blood cells or hemoglobin
Frequent (30-79%)HP:0001903
Refusing to eat
Frequent (30-79%)HP:0002039
Reye syndrome-like episodes
Frequent (30-79%)HP:0006582
Sleepy
Frequent (30-79%)HP:0002329
Tachypnea
Frequent (30-79%)HP:0002789
Torpor
Frequent (30-79%)HP:0001254
Apnea
Occasional (5-29%)HP:0002104
Quick Facts
- SNOMED CT
- 410059004
- UMLS CUI
- C1533587
- Fully Specified Name
- Hydroxymethylglutaric aciduria (disorder)
- Specialists
- 0
- Diagnostic Biomarkers
- 0
- HPO Phenotypes
- 30
Medical Disclaimer
This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding any medical condition or treatment plan.
Clinical content is derived from the SNOMED CT clinical ontology and curated medical knowledge graphs.