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HelpTrypanosoma cruzi Antibody
Clinical System Name
Miscellaneous Test
Synonyms
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
Note:
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.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Room temp | 48 h |
| Refrigerated | 2 w | |
| Frozen | 1 y |
Availability
| 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
Department: Send Outs
Phone Number: (206) 987-2563
CPT Codes
86753
Methodology
Method: Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Analytical Volume: 0.15 mL
Limitations:
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. |
Send Out Instructions
| Reference Test Name: | Trypanosoma cruzi Antibody, IgG |
| Reference Test Number: | 0051076 |
| Instructions: | Send out Monday - Friday with the ARUP courier. |