Aspergillus Galactomannan Antigen by EIA
| Abbrev Code: | ASPGA | ||
| Order Code: | LAB5717 | Order Name: | Aspergillus Galactomannan Antigen |
| Synonyms: | Platelia Aspergillus EIA; Galactomannan | ||
| Methodology: | Enzyme immunoassay | ||
| CPT Codes: | 87305 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-2 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 4 mL |
| Minimum\Peds Volume: | 2.2 mL |
| Container: | Red (no gel) Alternate Containers: Red or gold (gel) |
| Causes for Rejection: | Plasma; hemolyzed specimens; room temperature specimens |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot into a sterile ARUP Standard Transport Tube within 2 hours of collection 2 mL, 1 mL minimum. Store refrigerated. |
| Shipping Instructions: | Ship refrigerated. |
| Stability: | 7 days at refrigerated or frozen temperature. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 60068 |
Interpretive
| Reference Range: | Aspergillus Galactomannan Index: By report.
Aspergillus Galactomannan Antigen, Serum: Negative. |
| Use: | Negative results do not exclude the diagnosis of invasive aspergillosis. A single positive rest result (index equal to or greater than 0.5) should be clinically correlated by testing a separate 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. |
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