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Geisinger Medical Laboratories Test Catalog
LEGIONELLA PNEUMOPHILA ANTIBODY (IGG), IFA |
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Geisinger Epic Procedure Code: LAB2577
Geisinger Epic ID: 17559
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SPECIMEN COLLECTION |
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Specimen type: |
Serum | |
Preferred collection container: |
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Alternate Collection Container: |
6 mL red-top (plain, non-serum separator) tube
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Specimen required: |
1 mL aliquot of serum; minimum 0.2 mL. | |
| SPECIMEN PROCESSING |
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Transport temperature: |
Room temperature. | |
Specimen stability: |
Refrigerated: 7 days. Refrigerated: 14 days. Frozen: 30 days. | |
TEST DETAILS |
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Reference interval: |
<1:64 titer | |
CPT code(s): |
86713 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
Legionella pneumophila antibody IgG | |
Methodology: |
Immunofluorescence Assay |
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Synonyms: |
Legionella pneumophila IgG, LGNGG Quest test code 36580
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Clinical significance: |
Legionella infection is associated with 2 clinically and epidemiologically distinct illnesses. Legionnaires disease and Pontiac fever. Legionnaires disease is characterized by fever, cough, myalgia, and pneumonia, whereas, Pontiac fever is a milder illness without pneumonia. Inhaling aerosols of water contaminated with Legionella species is believed to be the primary mode of infection; the incubation period is generally 2-10 days. A 4-fold rise in IgG IFA Antibody titer to >1:128 between acute and convalescent sera may be used in the laboratory confirmation of Legionella infection. | |