|
Test
|
Specimen
|
Container
|
Required volume
|
Laboratory
|
Turnaround time
|
Additional information
|
|
Influenza A/B PCR
|
See under Respiratory virus PCR/ NPA
|
|
Influenza serology
|
Blood (serum)
|
Clotted Blood (red top tube)
|
5-10 ml
|
Reference
|
7-14 days
|
Send paired sera
Not useful for diagnosis of acute infection.
|
|
Interferon assays for TB
|
See under Mycobacteria
|
|
Intestinal flukes
|
See under Fasciola
|
|
Intrauterine infection serological tests
|
See under TORCH screen (mother)
|
|
Itraconazole levels
|
See under Antibiotic Assays |
|
IVF screen
[e-QUEST: ivf screen]
Includes:
HIV Ab/Ag
Hepatitis BsAg
Hepatitis C IgG
Syphilis IgG
|
Blood (serum)
|
Clotted Blood (red top tube)
|
5-10 ml
|
SGH
|
2 days
|
Pre-treatment IVF screen.
(Rubella and chlamydia need to be requested separately if required.)
|
|
Japanese B encephalitis
|
See under Arboviral serology
|
|
JC virus PCR
|
CSF
|
Sterile Universal
|
1 ml min |
Reference
|
7-10 days
|
Discuss with a virologist
|
|
Kala-azar
|
See under Leishmania
|
|
Lassa fever virus
|
See under Viral Haemorrhagic Fever
|
|
Legionella serology
|
Blood (serum)
|
Clotted Blood (red top tube)
|
5-10 ml
|
Reference
|
8 days
|
|
|
[e-QUEST: Legionella antigen]
|
Urine
|
Sterile Universal
|
20 ml
|
SGH
|
2 days
|
Needs prior discussion with microbiologist
|
|
[e-QUEST: Leishmania reference test] (serology)
|
Blood (serum)
|
Clotted Blood (red top tube)
|
5-10 ml
|
Reference
|
28 days
|
Please state travel history and date of exposure.
Discuss cases with microbiology
|
|
Leprosy
|
Tissue biopsy
|
Consult a microbiologist
|
|
Leptospira isolation/ PCR
|
CSF/ /Urine/Blood
|
Sterile Universal/
|
8-10 ml |
Reference
|
up to 6 wks |
Discuss cases with microbiology
|
|
[e-QUEST: Leptospirosis reference test] (serology)
|
Blood (serum)
|
Clotted Blood (red top tube)
|
5-10 ml
|
Reference
|
6 days
|
Take sample 5-7 days after onset of symptoms.
Please state date of onset or exposure and travel/ risk factors.
|
|
[e-QUEST: Leukaemic Varicella IgG] screen
|
Blood (serum)
|
Clotted Blood (red top tube)
|
5-10 ml
|
SGH
|
7 days
|
For screening immunosuppressed/ stem cell transplant patients.
|
|
[e-QUEST:Lyme disease serology] (Borreliosis) (screening test)
|
Blood (serum)
|
Clotted Blood (red top tube)
|
5-10 ml
|
SGH
|
2 days
|
Please provide clear history including risk factors and date of symptom onset.
|
|
Lyme Immunoblot
|
Blood (serum)/CSF
|
Clotted Blood (red top tube)
or Sterile Universal (CSF)
|
5-10 ml
1-2 ml
|
Reference
|
9 days
|
|
|
Lyme (Borreliosis) PCR
|
CSF
|
Sterile Universal
|
1 ml
|
Reference
|
7-14 days
|
Discuss with microbiology
|
|
[eQUEST: Lymphadenopathy/ sore throat] serology screen
|
Blood
|
Clotted Blood (red top tube)
|
5-10 ml
|
SGH
|
2 days
|
Consists of ASO titre, EBV, CMV IgM serology tests.
|
|
Lymphocytic chorio-meningitis virus (LCMV) serology
|
Blood (serum)
|
Clotted Blood (red top tube)
|
5-10 ml
|
Reference
|
7-14 days
|
Discuss with a virologist
|
|
Lymphogranuloma venereum (LGV) serovars of Chlamydia trachomatis
|
Swab
|
Swab in Chlamydia transport media |
N/A |
Reference
|
3-10 days |
Discuss with a virologist
|