INSULIN, FASTING

Mnemonic

INS

Specimen Collection Requirements

Collect

Serum, one 4.0 mL gold (SST) top tube Also acceptable: 7.0 mL plain red top tube

Handling

Allow serum to clot completely at room temperature. Centrifuge and separate serum from cells within 2 hours of collection.

Preferred Volume

1.0 mL

Minimum Volume

0.5 mL

Transport

Frozen (at or below -20°C)

Rejection Criteria

Plasma and hemolyzed specimens

Stability

AFTER SEPARATION FROM CELLS, Ambient (20-25°C): 8 hours; Refrigerated (2-8°C): 24 hours; Frozen (at or below -20°C): 2 months

Testing Information

Performed

Tue, Thur, Sun

Method

Chemiluminescent Immunoassay

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Reference Values

2.6-24.9 µIU/mL

CPT Codes

83525

Last Updated: Thursday, January 5, 2017 03:42:17 AM