Lab Test

Trypanosoma cruzi Antibody, IgG

Chagas Disease, Tcruzi IgG Ab

Test Codes

EPIC: LAB1230859, Beaker: XTCRG, ARUP: 51076

Department

Send Outs

Instructions

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."

Specimen Collection Criteria

Collect (preferred specimen): One Gold-top SST tube.
Also acceptable: One plain Red-top tube.

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 0.5 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.3 mL)

Rejection Criteria

  • Plasma
  • Bacterially contaminated specimens.
  • Heated inactive specimens.
  • Hemolyzed specimens.
  • Icteric specimens.
  • Lipemic specimens.
  • Turbid specimens.
  • Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Transport: 0.5 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.3 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 48 hours
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 1 year

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to ARUP Laboratories, Salt Lake City, UT.

Performed

Wednesday.
Results available in 2-9 days.

Reference Range

By report.

Test Methodology

Semi-quantitative. Enzyme-Linked Immunosorbent Assay.

CPT Codes

86753

Contacts

Last Updated

7/21/2024

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