Sign in →

Test Code Z0078 Legionella Antigen, Urine

Additional Codes

Mayo Test ID
LAGU

Reporting Name

Legionella Ag, U

Useful For

An adjunct to culture for the presumptive diagnosis of past or current Legionnaires disease (Legionella pneumophila serogroup 1)

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Urine


Advisory Information


This assay has been validated using urine specimens only. For serum specimens, see SLEG / Legionella pneumophila (Legionnaires Disease), Antibody, Serum.

 

Other specimen types (eg, plasma or body fluids) that may contain Legionella antigen have not been tested.



Specimen Required


Container/Tube: Plastic, 10-mL urine tube (T068)

Specimen Volume: 0.5 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.

3. Excessively bloody or very turbid specimens containing protein, cells, or particulates will be cancelled. They can inhibit the function of the test.

4. Centrifuging to remove particulates is not approved.

5. Specimens with any dyes or unnatural color are not acceptable and will be canceled.


Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time
Urine Refrigerated (preferred) 7 days
  Frozen  14 days
  Ambient  24 hours

Reference Values

Negative

Day(s) and Time(s) Performed

Monday through Friday; 12 p.m.

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

87899

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LAGU Legionella Ag, U 32781-7

 

Result ID Test Result Name Result LOINC Value
81268 Legionella Ag, U 32781-7

Method Name

Immunochromatographic Membrane Assay

Forms

If not ordering electronically, complete, print, and send a Microbiology Test Request Form (T244) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/microbiology_test_request_form.pdf)