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Insulin Like Growth Factor Binding Protein 1

IGF Binding Protein 1, IGFBP1

Test Codes

Mayo: FGBP1, EPIC: LAB6288, Beaker: XIGB1

Department

Send Outs

Specimen Collection Criteria

Collect (preferred specimen): One plain Red-top tube.

Critical FROZEN.

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within 1 hour. Transfer serum to a plastic transport tube and freeze (-20°C/-4°F or below) immediately.

Preparation for Courier Transport

Transport: 0.5 mL serum, frozen (-20°C/-4°F or below). (Minimum: 0.1 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within 1 hour. Transfer serum to a plastic transport tube and freeze (-20°C/-4°F or below) immediately.

Transport: 0.5 mL serum, frozen (-20°C/-4°F or below). (Minimum: 0.1 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): unacceptable
Refrigerated (2-8°C or 36-46°F): unacceptable
Frozen (-20°C/-4°F or below): 200 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Mayo Clinic Laboratories in Rochester, MN. Forwarded to LabCorp Esoterix Endocrinology, Calabassas Hills, CA.

Performed

Monday, Thursday.
Results available in 7-14 days.

Reference Range

By Report.

Test Methodology

Radioimmunoassay (RIA).

CPT Codes

83519
LOINC:  12722-5, 30 Minutes 47663-0, 1-Hour 47657-2, 2-Hour 47659-8, 3-Hour 47662-2, 4-Hour 29378-7, 5-Hour 27852-3

Contacts

Last Updated

7/19/2021