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Vanderbilt Pathology Laboratory Services

Test Directory



INSULIN-LIKE GROWTH FACTOR BP3 (ILG)

Department: Esoteric Chemisrty
Test Synonym(s): ILG, IGFBP3, Insulin-like growth factor
CPT Codes: 82397
Methodology: Chemiluminescent Immunoassay
Reference Range: 700-5900 ng/mL depending on age
Tube Type: Light green top PST (Lithium Heparin with gel)
Specimen: Plasma
Alternate Specimen: Red top SST (Clot activator with gel)
Pediatric Requirements: 1 Red microtainer
Volume: 5 mL plasma
Minimum Volume: 0.5 mL
Temperature: Must be spun in refrigerated centrifuge and separated.
Stability: Refrigerated: 1 week
Reasons for Rejection: QNS, EDTA plasma
Days Performed: Monday-Friday
Times Performed: 7:00 a.m.-2:00 p.m.
TAT: Same day

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