Container/Tube: Serum gel tube or Plasma (lithium heparin)
Specimen Volume: 3.5 mL or 5 mL
Transport Temperature: Refrigerated
Collection Instructions:
Centrifuge specimens and remove the serum or plasma from the cellular material within 4 hours of collection
Protect specimen from light.
Stability:
| Storage | Temperature | Stability |
| Room Temperature | 18-28 °C (64-82 °F) | ≤ 4 hours |
| Refrigerated | 2-8 °C (36-46 °F) | ≤ 7 days |
| Frozen | ≤ Negative 18 °C (≤ 0 °F) | ≤ 6 months |
Colorimetric, Diazo
0.2-1.3 mg/dL
Monday through Sunday
Available STAT
82247