ARUP's Laboratory Test Directory

IGF Binding Protein-1 : 0098843

Mnemonic: IGFBP-1

Ordering Recommendation: Research interest only. For suspected growth hormone disorders, insulin-like growth factor 1 (IGF-1) (0070125) and growth hormone testing (Insulin-Like Growth Factor 1; Growth Hormone) (0070080) is recommended.
Methodology: Quantitative Radioimmunoassay
Performed: Varies
Reported: 3-9 days
Specimen Required: Patient Prep: Patient should fast overnight (12 hours) prior to collection.

Collect: Plain red or serum separator tube.

Specimen Preparation: Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.2 mL)

Storage/Transport Temperature: Refrigerated. Also acceptable: Frozen.

Unacceptable Conditions: Grossly hemolyzed or lipemic specimens.

Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 4 weeks

Reference Interval:
By report
CPT Code(s): 83519
Cross References: IGFBP-1 (IGF Binding Protein-1)