Laboratory Lab results are too important to go anywhere else.

Leishmania Total Antibodies

Leishmania IgG Antibodies

Test Codes

FOCUS #92480, Order as a Miscellaneous Send Out.

Specimen Collection Criteria

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

Physician Office/Draw Specimen Preparation

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

Preparation for Courier Transport

Transport: 0.2 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.1 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

Gross lipemic or hemolyzed specimens.

In-Lab Processing

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

Transport: 0.2 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.1 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 7 days
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 30 days

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 Quest Diagnostics Infectious Disease, San Juan Capistrano, CA.

Performed

Wednesday.
Results available in 3-8 days.

Reference Range

Less than 1.00.

Test Methodology

Enzyme Immunoassay (EIA).

Interpretation

IgG antibodies are typically detected two weeks post-infection. Titers greater than or equal to 1:32 are strongly suggestive of active disease; a titer of 1:16 in an acute specimen suggests early infection and should be followed up with a convalescent sample drawn two to three weeks later, if clinically indicated.

Differentiation of Leishmania species is not possible by this technique due to the high inter-species crosspreactivity.

The clinical picture of the patient must be taken into consideration in making the final diagnosis.

Clinical Utility

This assay aids in the diagnosis of leishmaniasis.

CPT Codes

86717

Contacts

Last Updated

4/10/2021