Enzyme-Linked Immunosorbent Assay/Quantitative Immunoturbidimetry
Mon, Wed, Fri
Stool: Entire 24-, 48-, or 72-hour stool collection. Refrigerate during collection. Provide patient a Timed Stool Collection Kit (ARUP supply #44192). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787.
AND Serum: Serum separator tube (SST) or Plasma: Plasma separation tube (PST). Also acceptable: Lavender (EDTA) or pink (K2EDTA).
Stool: Refer to instructions in Stool Collection-Timed Specimens (24, 48, 72 Hours) under Specimen Handling at https://www.aruplab.com. Submit entire stool collection in an ARUP approved transport container(s) provided in kit using additional containers as needed for the full collection (available separately, ARUP supply #28077). (Min: 5 g)
Serum or Plasma: Collect blood during the stool collection time interval. Allow serum to clot completely at room temperature. Separate from cells ASAP or within 2 hours of collection. Transfer 0.5 mL to an ARUP Standard Transport Tube. (Min: 0.2 mL)
Stool: Specimens in media or preservatives. Serum or Plasma: Hemolyzed.
Stool: Ambient: 24 hours; Refrigerated: 7 days; Frozen: 3 months
Serum or Plasma: Ambient: 1 week; Refrigerated: 3 months; Frozen: 3 months (avoid freeze/thaw cycles)
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
If serum or plasma specimen is not submitted in conjunction with a timed stool collection, order Alpha-1-Antitrypsin, Quantitative by ELISA, Random Stool (ARUP test code 2011041).
|Component Test Code*||Component Chart Name||LOINC|
|2011042||Alpha-1-Antitrypsin Stool, ELISA||25303-9|
|2011044||Alpha-1-Antitrypsin Stool, ELISA-Time||13363-7|
|2011045||Alpha-1-Antitrypsin Stool, ELISA-Weight||30078-0|