ARUP's Laboratory Test Directory

Proinsulin : 0070112

Mnemonic: PROINS

Methodology: Two-Site Enzyme Immunoassay
Performed: Tue, Thu
Reported: 1-6 days
Specimen Required: Patient Prep:  Patient must be fasting 12-15 hours before collection

Collect:  One 4 mL serum separator tube.   Also acceptable: lavender (EDTA) or pink (K2EDTA).

Storage/Transport Temperature:  1 mL serum frozen. (Min: 0.2 mL) Submit specimen in an ARUP Standard Transport Tube.

Remarks:  Patient must fast 12-15 hours before collection. Separate serum from cells ASAP and freeze. Avoid repeated freeze/thaw cycles.

Stability (collection to initiation of testing):  After separation from cells: Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 3 months
Reference Interval:
0-1 year: Not established
2 years and older: 2.1-26.8 pmol/L
CPT Code(s): 84206
 
 

 

 

 
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