Aspergillus Galactomannan Antigen by EIA : ARUP Lab Tests

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Aspergillus Galactomannan Antigen by EIA : 0060068

Mnemonic: ASPERAG

Methodology:	Enzyme Immunoassay
Performed:	Sun-Sat
Reported:	Within 24 hours
Specimen Required:	Collect: One 4 mL plain red. Transport: 2 mL serum, frozen. (Min: 0.5 mL) Transport in sterile, sealed container. Submit specimen according to Biological Substance, Category B, shipping guidelines. Pediatric Collection/Transport: Submit specimen according to Biological Substance, Category B, shipping guidelines. Remarks: Separate serum from cells ASAP. Stability: After separation from cells: Ambient: Unacceptable; Refrigerated: 2 days; Frozen: 2 days

Reference Interval: Asper A: Negative Index: By report
Interpretive Data:	Negative results do not exclude the diagnosis of invasive aspergillosis. A single positive test result (index equal to or greater than 0.5) should be clinically correlated by testing a separate serum specimen because many agents (e.g. food, antibiotics) may cross-react with the assay. If invasive aspergillosis is suspected in high-risk patients, serial sampling is recommended. The false positive rate is higher in children than in adults. (Cancer 91:311, 2001; J.Clin Oncol 20:1898,2002; Mycosis 41:373,1998).
CPT Code(s):	87305

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