LEGIONELLA PNEUMOPHILA IGG ANTIBODIES (SEROGROUPS 1-6)

Specimen Required
Draw blood in a SST. Centrifuge, separate serum from cells within 2 hours and send 1.0 mL serum (0.2 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Hemolyzed or severely lipemic specimens

Methodology
Semi-quantitative Indirect Fluorescent Antibody

Stability
Room Temperature: 48 hours; Refrigerated: 14 days; Frozen: 1 year

Reference Range
<1:128 Negative - No significant level of Legionella pneumophila Type 1-6 IgG antibody detected.
1:128 Equivocal - Questionable presence of Legionella pneumophilaI Type 1-6 IgG antibody detected. Repeat testing in 10-14 days may be helpful.
1:256 or greater Positive - Presence of Legionella pneumophila Type 1-6 IgG antibody detected, suggestie of current or past infection.

Performed
Monday-Friday

Turnaround Time5-7 days
Test CodeLEGPG
CPT-4 Code (s)
86713
LOINC Codes
21362-9

Warde
Medical
Laboratory