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CYP21A2

cytochrome P450 family 21 subfamily A member 2

HCNC Approved Symbol
CYP21A2 (HGNC:2600)
Genomic Coordinates
6:32,038,415 - 32,041,644 (6p21.33)
Synonyms
P450c21B, CA21H, CPS1, CAH1, CYP21, CYP21B
Disease Associations
This gene is associated with the following 2 diseases in OMIM.

Diagnosed Cases

125Patients

In total, 125 patients were diagnosed with a variant in the CYP21A2 gene.

Frequently observed phenotypes

(Top 5 only, Patient count*)
*% of total patients presenting each phenotype is shown in parentheses.

Elevated 17-hydroxyprogesterone
 74 (59.2%)
Hyponatremia
 66 (52.8%)
Hyperkalemia
 64 (51.2%)
Ambiguous genitalia
 59 (47.2%)
Vomiting
 31 (24.8%)
CYP21A2 - Gene browser | 3billion