Trypanosoma cruzi, IgG, Purified Antigen
Test Mnemonic
TCAIGG
CPT Codes
- 86753 - QTY (1)
LOINC ®
59387-1
Aliases
- Chagas Antibody, IgG
- T cruzi IgG Ab
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Serum | SST (Gold) | Refrigerated | Separate serum from cells ASAP or within 2 hours of collection and transfer serum to standard aliquot tube. Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Please mark specimens plainly as "acute" or "convalescent." |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.3 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: 48 hours |
| Refrigerated | After separation from cells: 2 weeks |
| Frozen | After separation from cells: 1 year |
Days Performed
Mon, Wed, Fri
Turnaround Time
2 - 7 days
Methodology
| Name | Description |
|---|---|
| Semi Quantitative Enzyme Linked Immunosorbent Assay |
Special Info
Bacterially contaminated, heat-inactivated, hemolyzed, icteric, lipemic, or turbid specimens will be rejected. 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). This test is New York State approved. Assay is performed using the Hemagen Chagas kit.
Clinical Info
Aid in the diagnosis of non-acute (chronic phase) Chagas disease (T. cruzi). According to the CDC, at least two different serologic tests should be used to make the laboratory diagnosis of chronic Chagas Disease, as no single serologic test is sufficiently sensitive and specific. If results between the two assays are discrepant, repeat testing or testing by a third method may be helpful.