ARUP's Laboratory Test Directory

Islet Cell Antibody, IgG : 0050138

Mnemonic: ANTI-ISLET

Methodology: Indirect Fluorescent Antibody
Performed: Mon, Wed, Fri
Reported: 1-3 days
Specimen Required: Collect:  One 4 mL serum separator tube.

Storage/Transport Temperature:  1 mL serum at 2-8°C. (Min: 0.15 mL)  Submit specimen in an ARUP Standard Transport Tube.

Remarks:  Separate serum from cells ASAP.

Unacceptable Conditions:  Plasma.  Severely lipemic, contaminated, or hemolyzed specimens.

Stability (collection to initiation of testing):  After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Reference Interval:
< 1:4 No antibody detected.
Interpretive Data: Islet cell antibodies have been associated with "autoimmune" endocrine disorders and insulin-dependent diabetes.  This disorder is characterized by the presence of antibodies in patients that may be detected years before the onset of the clinical symptoms.  To calculate Juvenile Diabetes Foundation (JDF) units: multiply the titer x 5 (1:8  8 x 5 = 40 JDF Units).
CPT Code(s): 86341
Cross References: Anti-Islet Cell Antibody, IgG
 
 

 

 

 
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