ARUP's Laboratory Test Directory

0051075: Trypanosoma cruzi Antibody, IgM

Test Mnemonic: CHAGAS M
Methodology: Indirect Fluorescent Antibody

Performed: Wed

Reported: 1-8 days

Specimen Required:  
Collect: One 4 mL SST.

Transport: 1 mL serum at 2-8°C. (Min: 0.2 mL)  Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport: 0.1 mL serum at 2-8°C.

Remarks: Ambient and frozen specimens are also acceptable. Separate serum from cells ASAP. Acute and convalescent specimens must be labeled as such; parallel testing is preferred and convalescent specimens must be received within 30 days of the acute specimens. Please mark specimen plainly as "acute" or "convalescent."

Unacceptable Conditions: Plasma. Lipemic, hemolyzed, icteric, turbid, bacterially contaminated, or heat-inactivated specimens.

Stability: After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year

Reference Interval:
Less than 1:16: Negative - No significant level of Trypanosoma cruzi IgM antibody detected.
1:16 or greater: Positive - IgM antibodies to Trypanosoma cruzi detected, which may suggest current or recent infection.   

Interpretive Data:
ARUP intends the use of this assay for clinical diagnosis. This assay should not be used for blood donor screening or associated re-entry protocols, or for screening Human Cell and Cellular Tissue-Based Products (HCT/Ps).

Please refer to Statement A in the Compliance Statements section in the front of the Laboratory Test Directory.



CPT Code(s):
86753

 

 

 
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