Androstenedione

Pathology category

Biochemistry - referred tests

Code

ANDR

Referral code

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Test information

Management of Congenital Adrenal Hyperplasia (CAH) patients due 21-hydroxylase or 11b-hydroxylase deficiency, as useful to monitor to reduce risk of virilisation in children. Diagnosis of CAH due to 17b-hydroxysteroid dehydrogenase deficiency. May require hCG stimulation test to measure androstendione: testosterone ratio in children. Useful in assessing ovarian and adrenal androgen secreting tumours.

Guidelines

Pre-analytical

Recommend to take sample in the morning and advisable to avoid stress

Reference range

see report

Tube type

Tube type info

SST

Special requirements

Serum

Minimum volume

200 uL

Assay frequency

TAT Inpatient (urgent)

TAT Inpatient

4 weeks

TAT GP/Outpatient

4 weeks

Referral lab

Department of Clinical Biochemistry, Queen Elizabeth Hospital, Birmingham