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Trypanosoma cruzi Antibody

Clinical System Name

Miscellaneous Test


Chagas Antibody, IgG

Tcruzi IgG Ab

Trypanosoma cruzi Antibody, Total

Sample Requirements

Specimen: Whole Blood

Container(s): Gold SST or Red

Preferred Vol: 2.0 mL

Minimum Vol: 1.0 mL



Processing Instructions

Reject due to: Plasma. Bacterially contaminated, heat-inactivated, hemolyzed, icteric, lipemic, or turbid specimens.

Spin: Y

Aliquot: Y

Temp: 2 - 4 C

Storage location: Separate serum from cells ASAP or within TWO hours of collection. Transfer 0.5 mL serum to a plastic aliquot tube (Min: 0.15 mL). Parallel testing is preferred and convalescent specimens must be received within 30 days of the acute specimens. Mark specimens plainly as "acute" or "convalescent".



Off-site collection: Spin, aliquot and refrigerate specimen. Transport refrigerated.


Specimen Type Temperature Time
Serum Room temp 48 h
  Refrigerated 2 w
  Frozen 1 y



STAT Performed TAT
N W 1 - 8 d


Performing Laboratory

ARUP Laboratories

500 Chipeta Way
Salt Lake City, UT 84108-1221


Phone Number: (800) 522-2787


Department: Send Outs

Phone Number: (206) 987-2563



Reference Range

1.00 IV or less: Negative - No significant level of Trypanosoma cruzi IgG antibody detected.
1.01-1.10 IV: Equivocal - Questionable presence of Trypanosoma cruzi IgG antibody detected. Repeat testing in 10-14 days may be helpful.
1.11 IV or greater: Positive - IgG antibodies to Trypanosoma cruzi detected, which may suggest current or past infection.



Method: Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Analytical Volume: 0.15 mL


CPT Codes


Send Out Instructions

Reference Test Name: Trypanosoma cruzi Antibody, IgG
Reference Test Number: 0051076
Instructions: Send out Monday - Friday with the ARUP courier.