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INSULIN, 30 MINUTES

Mnemonic

INSULIN 30

Specimen Collection Requirements

Patient Preparation

Patient must fast for 8-14 hours before fasting blood is drawn. Patient is given 75 g glucose before timed specimens are drawn.

Collect

Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube

Supply Item Number - 101235 or 101192

Handling

Allow serum tubes to clot completely at room temperature (minimum - SST: 30 minutes, red top tubes: 60 minutes). Centrifuge and separate serum from cells ASAP. 

Preferred Volume

1.0 mL Serum

Minimum Volume

0.5 mL Serum (1.3 mL minimum whole blood draw)

Transport

Frozen (≤ -20°C)

Rejection Criteria

Plasma and hemolyzed specimens

Stability

AFTER SEPARATION FROM CELLS: Room Temperature (18-26°C): 8 hours; Refrigerated (2-8°C): 24 hours; Frozen (≤ -20°C): 2 months

Testing Information

Performed

Mon, Wed, Fri

Reported

24-72 hours

Method

Chemiluminescent Assay

Reference Values

Reference Values

30 minutes post 75g glucose challenge: 20.0 - 112.0 µIU/mL

CPT Codes

83525

Last Updated: Thursday, January 5, 2017 03:41:19 AM


Client Services: 503-413-1234