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Test Code LAB12682 Insulin, Free (Bioactive)

Department

SEND OUTS

Reference Lab Test Number

INSF

Collection Requirements

Patient Preparation: Overnight fasting is required.

Refer To

Warde Medical Laboratory

Primary Collection Container

Gold (SST)

Alternate Collection Container

Red (No Gel)

Lavender 4 mL (K3EDTA)

Transport

Serum refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Centrifuge, separate and send 0.5 mL in a screw-capped plastic vial.

Stability

Ambient: 12 hours

Refrigerated: 7 days

Frozen: 28 days

Minimum Testing Volume

0.3 mL

Reference Range

1.5-14.9 uIU/mL

Methodology

Immunoassay

Performed

Monday, Wednesday, and Friday

Reported

5-8 days

CPT Codes

83527