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Legionella DNA

Item Value
Approval req'd? No
Available Stat? No
Test code P356
Test group Legionella
Performed by Focus via Quest
Sendout? Yes
Method Real time PCR
Collection Instructions Nasopharyngeal swab: Use flocked swab/Universal Transport Medium for collection. Insert swab into the nostril, gently rotating the swab inward until resistance is met at the level of the turbinates. Rotate the swab a few times against the nasopharyngeal wall (approximately 10 sec) and then withdraw swab. Insert swab into container with Universal Transport Medium. Break end of swab so top of vial can be screwed on securely. Appropriately label specimen and send to the laboratory.
Container type
Nasopharyngeal swab Flocked swab in Universal Transport Medium (UTM)
Other samples Sterile leak-proof container
Amount to Collect
Nasopharyngeal swab 1 flocked swab
Other samples 1 mL
Sample type Bronchial wash/lavage, endotrachael aspirate, sputum, nasopharyngeal swab
Preferred volume
Nasopharyngeal swab 1 flocked swab
Other samples 1 mL
Min. Volume
Nasopharyngeal swab 1 flocked swab
Other samples 0.5 mL
Processing notes Refrigerate sample and ship to CB refrigerated. Freeze specimen at -70C upon receipt at China Basin and ship frozen to reference lab.
Normal range Not detected
Critical value Detected
Synonyms Legionnaires disease
Stability Room temperature 2 days, refrigerated 2 weeks, frozen 1 month
Turn around times 3-5 days
Additional information This test detects and differentiates between Legionella pneumophila and non-pneumophila Legionella spp. DNA in clinical specimens.
CPT coding 87541-90, 87798-90
LOINC code 21363-7, 31208-2, 49616-6
Last Updated 7/3/2014 3:18:45 PM
Entry Number 1587
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