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Specimen Collection Manual and Test Catalog

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DONOR, CHAGAS SCREEN

Geisinger Epic Procedure Code:  LAB1330    Geisinger Epic ID:  53245

SPECIMEN COLLECTION
Specimen type: 

Serum (preferred) or plasma


Preferred collection container: 
Alternate collection container: 
6 mL red-top (plain, non-serum separator) tube
3 mL lavender-top (K2 EDTA) tube
Specimen required: 

2 mL serum (preferred) or plasma; minimum 1 mL.



SPECIMEN PROCESSING
Processing instructions: 

Centrifuge and transfer serum specimens to clean, plastic, screw-capped vial(s). Please send the original collection container if possible. Aliquot specimens will only be accepted if processed and labeled at the original collection site. Place the specimens for donor testing in a separate transport bag. Attach a Donor Testing label (Stock Clerk number 136296, available from Client Supplies) to the bag and ship refrigerated (cold packs). Please call the Donor Testing Services Department at 703-802-6900, ext. 64656, or Client Services at 800-336-3718, ext. 63000, with any questions.


Transport temperature: 

Refrigerated (cold packs)


Specimen stability: 

Room temperature: Stability is 24 hours for unspun serum or plasma and 7 days for spun. Refrigerated: 10 days. Frozen: 28 days.


Rejection criteria: 

Grossly lipemic; gross hemolysis; heparinized specimens; specimens collected from infants less than one month old; specimens other than serum or EDTA plasma; heat-treated specimens.



TEST DETAILS
CPT code(s):  86753
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Methodology: 
Enzyme-Linked Immunosorbent Assay (ELISA)
Synonyms: 

Quest test code 91986, Chagas Scrn


Clinical significance: 

Trypanosoma cruzi is a flagellated, protozoan parasite, which is endemic to regions of South and Central America and Mexico. It is the causative agent of Chagas Disease. Infection is chronic, asymptomatic and untreatable. The Chagas screening assay detects antibodies to T. cruzi and is used to screen blood and tissue donors.


Review Date:  12/12/2024

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