Specimen Stability (for laboratory use only)
Collection Container
RAS container
Collection Instructions:
Early morning urine is preferred.
1. Refer to https://www.wh.com.sg/labs/Specimens/Pages/Specimens-Collection.aspx for collection of urine.
2. Collect midstream urine in RAS container
3. Send specimen to the laboratory immediately.
1. Refer to https://www.wh.com.sg/labs/Specimens/Pages/Specimens-Collection.aspx for collection of urine.
2. Collect midstream urine in RAS 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.
Add on Test:
No add test
Reflex Tests:
N.A.
Related Formula:
Protein: Creatinine Ratio Urine (PCR) (mg/mmol):
Total Protein, Urine (TPU) (g/L) X 1000 / Creatinine Urine (CREU)
(mmol/L)
Total Protein, Urine (TPU) (g/L) X 1000 / Creatinine Urine (CREU)
(mmol/L)
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:
Test includes:
• Total Protein, Urine
• Creatinine, Urine
• Protein:Creatinine Ratio, Urine (Calculated value)
Test is useful as a risk factor for renal impairment.
• Total Protein, Urine
• Creatinine, Urine
• Protein:Creatinine Ratio, Urine (Calculated value)
Test is useful as a risk factor for renal impairment.
Methodology:
See individual test listings.
Reference Interval:
(Age >16 years old)
Normal: <20 mg/mmol
For diabetics, if Urine PCR<50 mg/mmol, monitor with Urine ACR
Normal: <20 mg/mmol
For diabetics, if Urine PCR<50 mg/mmol, monitor with Urine ACR
Critical Values:
N.A.
