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Test Name:
Donor, Trypanosoma cruzi Antibody
- SBMF No:
22962 - Performance Lab Name:
Blood Bank Services - Test Mnemonic:
CHAGD- - ABN:
N/A - CPT Code:
86753 - Also Known As:
Donor Screening for Chagas Antibody - Spec Type:
Serum - Spec Container:
Red top (serum) tube - Alt Spec Type:
Plasma - Alt Spec Container:
Lavender top (EDTA) tube, pale yellow top (ACD) tube, or green top (lithium heparin) tube - Pref Vol:
0.5 mL - Fasting:
No - Spec Collect:
Routine blood donor collection - Spec Store Transport:
Room temperature or refrigerated - Spec Stability:
7 days room temperature (20-30°C)
10 days refrigerated (2-8°C)
Greater than 10 days frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Spec Reject:
Heat-inactivated sample - Methodology:
Enzyme-Linked Immunosorbent Assay (ELISA)
ORTHO® T. cruzi ELISA Test System - Use:
This test is intended for use as a donor screening test to detect antibodies to T. cruzi in plasma and serum samples from individual human donors, including donors of whole blood, blood components or source plasma, and other living donors. It is also intended for use to screen organ and tissue donors when specimens are obtained while the donor's heart is still beating. This test is not intended for use on specimens from cadaveric (non-heart-beating) donors. This test is not intended for use on samples of cord blood. - Clinical Significance:
Trypanosoma cruzi is a flagellated, protozoan parasite, which is endemic to regions of Latin America. It is the causative agent of Chagas' Disease. Infection is chronic, asymptomatic, untreatable, and potentially fatal. Methods of transmission are vectoral (Reduviid bug), congenital, organ transplant, and blood transfusion. Organ transplant and blood transfusion cases in the USA have been demonstrated.
Reference:
Trypanosoma cruzi (T. cruzi) Whole Cell Lysate Antigen Ortho® T. cruzi ELISA Test System package insert, Ortho-Clinical Diagnostics, Inc., June 2007. - Reference Range:
Non-reactive - Additional Test Info:
Samples that are repeatedly reactive by ELISA will be referred to Goldfinch Diagnostics Inc for confirmation by Radioimmunoprecipitation Assay (RIPA) - Test Type:
BLOOD BANK
