Lab Test

Insulin Like Growth Factor Binding Protein 1

IGF Binding Protein 1, IGFBP1, LabCorp #140822, Esoterix #500283, EPIC: LAB6288, SOFT: XIGB1

Test Codes

LabCorp #140822, Esoterix #500283, EPIC: LAB6288, SOFT: XIGB1

Instructions

A number of drugs are known to influence endocrine function directly, or to interfere with assay methodology. Whenever possible, physicians should consider discontinuing all drugs, except those necessary to the patient's well-being, several days prior to sample collection. Always note any drugs being administered on the Test Request Form.

Specimen Collection Criteria

Collect (preferred specimen): One plain Red-top tube.
Also acceptable: One Gold-top SST tube.

Physician Office/Draw Specimen Preparation

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

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. Transfer serum to a plastic transport tube and freeze (-20°C/-4°F or below).

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): 1 day
Refrigerated (2-8°C or 36-46°F): 2 days
Frozen (-20°C/-4°F or below): 16 months

Specimen Storage in Department Prior to Disposal:

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

Laboratory

Sent to LabCorp Esoterix Endocrinology, Calabassas Hills, CA.

Performed

Monday, Thursday.
Results available in 3-7 days.

Reference Range

By Report.

Test Methodology

Immunochemiluminometric Assay (ICMA).

CPT Codes

83520

Contacts

Last Updated

10/23/2019

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This directory currently reflects information only for specimens collected and/or processed at the
Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.