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Lab Test Dictionary

Legionella DNA, Qualitative, RT-PCR (15062)


Real-Time Polymerase Chain Reaction (RT-PCR)

Specimen Type

See Collection Instructions

Performing Lab

Quest Diagnostics San Juan Capistrano

Epic ID

Other Reference Test

Lab Test Days


Standard TAT

1-2 Days

Collection Information

Specimen Required

0.3-1 mL Bronchial Lavage/Wash, Tracheal Aspirate or Sputum

Container Type

Sterile Container

Collection Instructions

Throat or nasopharyngeal swab in VCM medium (green-cap) tube or equivalent (UTM) is also acceptable.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp=48 Hours; Refrigerated=14 Days; Frozen=30 Days

Rejection Criteria

Calcium alginate swabs

Test Volume Required

1 mL

Minimum Test Volume

0.3 mL

Processing Instructions

Indicate source in comments, on specimen and on batch sheet.

Included Tests

Legionella species and Legionella pneumphila.

CPT Codes

87541, 87798