Common α-subunit (ASU)
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: leedsth-tr.pathologycustomerservice@nhs.net. |
| 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 |
| Telepath | LGI superset LPPAS. SJUH superset JPPAS. |
