Container/Tube: Serum or plasma gel tube
Specimen Volume: 5 mL of serum
Transport Temperature: Refrigerated
Collection Instructions: Allow specimen to clot for 30 minutes. Spin specimen in centrifuge. If there is a delay in transport of ≥2 hours, send specimen refrigerated.
Stability:
| Storage | Temperature | Stability |
| Refrigerated | 2-8 °C (36-46 °F) | ≤ 5 days |
| Frozen | ≤ Negative 20 °C (≤ Negative 4 °F) | ≤ 4 weeks |
Chemiluminescence Immunoassay
Males: 1-9 µIU/L
Females:
Midfollicular: 2-11 µIU/L
Midcycle: 19-103 µIU/L
Midluteal: 1-13 µIU/L
Postmenopausal: 11-58 µIU/L
Monday through Sunday
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