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Test Code LAG Legionella Urinary Antigen

Specimen Type

Urine, random sample

Container

Sterile container. Boric acid transports are acceptable.

Offsite Collection Instructions

See UCMC collection instructions below.

UCMC Collection Instructions

Specimen Source: Clean voided, clean catch. Early morning specimen is best.
 

Specimen Collection:
Female Cleansing Instructions: Stand in a squatting position over the toilet. Separate the folds of the skin around the urinary opening. Cleanse the area around the opening with the first castile soap towelette. Repeat using a second clean towelette. Urinate the first portion of urine into the toilet. As you continue to urinate, bring the collection cup into the midstream to collect the urine sample. Do not touch the inside or lip of the cup. Urinate the remainder of urine into the toilet. Place the blue cap onto the BD Vacutainer Urine Collection Cup. Return the sample of the healthcare worker.
 

Male Cleansing Instructions: Cleanse the end of the penis with the first castile soap towelette beginning at the urethral opening and working away from it (the foreskin of an uncircumsized male must be retracted). Repeat using a second clean towelette. Urinate the first portion of urine into the toilet. As you continue to urinate, bring the collection cup into the midstream to collect the sample. Do not touch the inside or lip of the cup. Urinate the remainder of urine into the toilet. Place the blue cap onto the BD Vacutainer Urine Collection Cup. Return the sample to the healthcare worker.
 

Specimen transfer: Peel back the paper on the lid of the blue cap container. Invert the grey top tube and push it onto the needle in the opening on the blue cap. Once it is filled, remove and invert several times to mix with the preservative. Invert the yellow top tube and push it onto the needle in the opening on the blue cap. Remove. Label both tubes. Discard blue cap in a sharps container. If volume is <3.5 mL, a sterile, wide-mouthed container, tightly sealed is acceptable.

 

Specimen Transport: For sterile containers — Must be received in Microbiology laboratory for plating within 2 hrs of collection unless refrigerated. For Grey top tube, within 48 hrs with or without refrigeration.

 

Microbiology Specimen Collection Tables
Please see link  for Microbiology Specimen Collection Tables;

  • Category “Urine”, Table 1 BACTERIOLOGY, CHLAMYDIA, MYCOLOGY, MYCOBACTERIOLOGY (AFB), VIROLOGY

Availability

Monday through Sunday

Turnaround Time

1 hr within receipt of specimen in Microbiology lab Monday through Sunday

STAT Availability

Not Available

Test Methodology

Immunochromatographic assay

CPT Code

87449

Test Includes

Legionella pneumophila Group 1 antigen only

Reference Range

Negative

Fee Code

30687449