Specimen Stability (for laboratory use only)
Collection Container
Sterile screw-capped container
Service Code:
LBC04939
Collection Instructions:
1. Refer to https://www.wh.com.sg/labs/Specimens/Pages/Specimens-Collection.aspx for collection of urine.
2. Collect midstream urine in sterile screw-capped container
3. Send specimen to the laboratory immediately.
2. Collect midstream urine in sterile screw-capped container
3. Send specimen to the laboratory immediately.
Unacceptable Conditions:
Less than 10 mL
Specimen Stability:
Ambient
Send specimen to the laboratory immediately.
Keep refrigerated if not sent immediately.
Keep refrigerated if not sent immediately.
Refrigerate
Frozen
Add on Test:
No add test
Reflex Tests:
N.A.
Performance
Turn Around Time:
Stat: 2 hours Routine: 4 hours
Days Test Performed:
Testing Laboratory:
Woodlands Hospital Laboratory Medicine and Pathology, Biochemistry
Clinical & Interpretative
Description:
Methodology:
Immunoassay
Reference Interval:
Methamphetamine:
Negative: < 1000 ng/mL
Cocaine:
Negative: < 300 ng/mL
Cannabis(THC):
Negative: < 50 ng/mL
Benzodiazepines:
Negative: < 300 ng/mL
Tricyclic Antidepressants:
Negative: < 1000 ng/mL
Barbiturates:
Negative: < 300 ng/mL
Phencyclidine:
Negative: < 25 ng/mL
Amphetamine:
Negative: < 1000 ng/mL
Opiate:
Negative: < 300 ng/mL
Methadone:
Negative: < 300 ng/mL
Negative: < 1000 ng/mL
Cocaine:
Negative: < 300 ng/mL
Cannabis(THC):
Negative: < 50 ng/mL
Benzodiazepines:
Negative: < 300 ng/mL
Tricyclic Antidepressants:
Negative: < 1000 ng/mL
Barbiturates:
Negative: < 300 ng/mL
Phencyclidine:
Negative: < 25 ng/mL
Amphetamine:
Negative: < 1000 ng/mL
Opiate:
Negative: < 300 ng/mL
Methadone:
Negative: < 300 ng/mL
Critical Values:
N.A.
