Specimen Stability (for laboratory use only)
Collection Container
Gold top (no additive, SST)
Collection Instructions:
Paired acute and convalescent sera (3-6 weeks after onset of fever) should be sent.
Acute phase sera are tested alone; a convalescent specimen is requested and when received will be run together with the acute phase sera.
1. Draw sufficient blood into gold top tube.
2. Gently invert the tube for 5 times.
3. Send specimen to the laboratory immediately.
Refer to testing laboratory test catalogue for more information:
https://www.sgh.com.sg/patient-care/specialties-services/Pathology/Pages/LEGIONELLA-ANTIBODY.aspx
Acute phase sera are tested alone; a convalescent specimen is requested and when received will be run together with the acute phase sera.
1. Draw sufficient blood into gold top tube.
2. Gently invert the tube for 5 times.
3. Send specimen to the laboratory immediately.
Refer to testing laboratory test catalogue for more information:
https://www.sgh.com.sg/patient-care/specialties-services/Pathology/Pages/LEGIONELLA-ANTIBODY.aspx
Unacceptable Conditions:
N.A.
Specimen Stability:
Ambient
Not centrifuged: 2 hours
Performance
Turn Around Time:
1 - 4 days
Days Test Performed:
Testing Laboratory:
Singapore General Hospital (SGH), Immunology
Clinical & Interpretative
Description:
Evaluation of possible legionellosis (Legionnaires disease, Pontiac fever, extrapulmonary legionella infection caused by Legionella pneumophila)
Methodology:
Immunofluorescence
Reference Interval:
See laboratory report
Critical Values:
N.A.

