Insulin; serum

CPT Code

83525

Specimen Requirements

1 mL serum
Fasting

Collection Container/Tube

Red-top Tube (no additive) Alternative: Serum gel-separator tube

Transport Container/Tube

Clear plastic serum/plasma transfer vial

Minimum Specimen Volume

.05mL

Rejection Criteria

Gross hemolysis

Stability Information

Room temperature: 2 days
Refrigerated: 14 days
Frozen: 30 days
37°C/99°F: Unacceptable

Methodology

Immunoturbidimetric

Turnaround Time

1 - 3 days

Reference Intervals