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Classic congenital adrenal hyperplasia due to 21-hydroxylase deficiency
disorderSNOMED 717261006CUI C4273964
Signs & Symptoms
Based on Human Phenotype Ontology (HPO) disease-phenotype annotations.
Abnormal response to ACTH stimulation test
Very frequent (80-99%)HP:0031074
Elevated circulating 17-OHP
Very frequent (80-99%)HP:0031213
Increased circulating androgen concentration
Very frequent (80-99%)HP:0030348
Increased circulating progesterone
Very frequent (80-99%)HP:0031216
Plasma cortisol low
Very frequent (80-99%)HP:0008163
Abnormal external genitalia morphology
Frequent (30-79%)HP:0000811
Abnormal ovarian physiology
Frequent (30-79%)HP:0031066
Abnormal serum dehydroepiandrosterone level
Frequent (30-79%)HP:0500022
Adrenocortical insufficiency
Frequent (30-79%)HP:0008207
Breaking out
Frequent (30-79%)HP:0001061
Decreased body height
Frequent (30-79%)HP:0004322
Decreased fertility
Frequent (30-79%)HP:0000144
Dehydration
Frequent (30-79%)HP:0001944
Early bone maturation
Frequent (30-79%)HP:0005616
Elevated urinary epinephrine level
Frequent (30-79%)HP:0003639
Feeding difficulties
Frequent (30-79%)HP:0011968
Growth abnormality
Frequent (30-79%)HP:0001507
High serum testosterone level
Frequent (30-79%)HP:0030088
Hirsutism
Frequent (30-79%)HP:0001007
Hyperkalemia
Frequent (30-79%)HP:0002153
Hyperkalemic metabolic acidosis
Frequent (30-79%)HP:0005976
Hypernatriuria
Frequent (30-79%)HP:0012605
Hypochloremia
Frequent (30-79%)HP:0003113
Hyponatremia
Frequent (30-79%)HP:0002902
Hypotension
Frequent (30-79%)HP:0002615
Hypovolemia
Frequent (30-79%)HP:0011106
Increased circulating ACTH level
Frequent (30-79%)HP:0003154
Increased circulating androstenedione concentration
Frequent (30-79%)HP:0025380
Increased plasma renin activity
Frequent (30-79%)HP:0000841
Light or infrequent menstrual periods
Frequent (30-79%)HP:0000876
Quick Facts
- SNOMED CT
- 717261006
- UMLS CUI
- C4273964
- Fully Specified Name
- Classic congenital adrenal hyperplasia due to 21-hydroxylase deficiency (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.