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Order Code LEGUV 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)

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


Supplies: Urine Tubes, 10 mL (T068)

Container/Tube: Plastic, 10-mL urine tube

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 Special Container
Urine Refrigerated (preferred) 7 days
  Frozen  14 days
  Ambient  24 hours

Reject Due To

Gross hemolysis Reject
Other Turbid reject, Colored reject

Reference Values

Negative

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Day(s) and Time(s) Performed

Monday through Sunday; 12 p.m.

Method Name

Immunochromatographic Membrane Assay

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

Forms

If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.