» LEARN MORE ABOUT COVID-19 VACCINES, TESTING, VISITOR & SAFETY REQUIREMENTS

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Insulin, Random

Mnemonic

INSULIN R

Guidelines

Aids in the detection of insulinoma. Do not use to diagnose diabetes mellitus.

Specimen Collection Requirements

Collect

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

Supply Item Number - 101235 or 101192

Handling

Allow serum 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 (1.2 mL minimum whole blood draw)

Transport

Frozen (≤ -20°C)

Rejection Criteria

  • Grossly hemolyzed specimens
  • Plasma specimens
  • Specimens frozen and thawed more than once

Stability

AFTER SEPARATION FROM CELLS: Room Temperature (18-26°C): 8 hours; Refrigerated (2-8°C): 24 hours; Frozen (≤ -20°C): 2 months. Do NOT freeze/thaw specimens more than once.

Testing Information

Performed

Mon, Wed, Fri

Reported

24-72 hours

Method

Chemiluminescent Immunoassay

Reference Values

Reference Values

No reference ranges established.

CPT Codes

83525

Last Updated: Thursday, February 11, 2021 07:48:58 PM


Client Services: 503-413-1234