Alpha subunit common to TSH, hCG, FSH and LH. May be raised in patients with pituitary tumours including TSHoma. Measurement may help distinguish between thyroid hormone resistance (not elevated) and TSHoma (often elevated).
Tube
01 (SE) – Serum Gel
ID
Tests&Tubes0174
Turn Around
Turnaround time stated by Queen Elizabeth Hospital, Birmingham: 21 days.
Send to
Blood Sciences LGI
(Test referred to: Queen Elizabeth Hospital, Birmingham).
Contact
For further details please contact Leeds Pathology customer services: [email protected].
Advice
For further details on all referred tests, please refer to the referred tests database, EQMS reference BSF2REC17003.
Collection Con
Minimum Volume: 0.5ml serum. Instructions to lab: Centrifuge sample, separate and freeze serum.
Sample REQ
Blood.
Ref. Range Notes
All males, and females < 40 y: < 1 iU/L. Females > 40 y and mid-cycle: < 3 iU/L.
Units
iU/L