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Creatinine - Urine

Source Urine
Mnemonic 24 hour:    U24H  (urine creatinine is included in the U24H order)
Random:  UCREA 
Specimen Requirements 24 hour urine:
Refrigerate during collection.
Submit 5 mL aliquot of 24 hour urine collection.
No preservative - preferred.
When ordered at the same time as other tests that require preservative, collection in a bottle containing Sulfamic Acid or 6 mol/L HCl is acceptable.

Random urine:
Submit 5 mL random urine collection.
Specimen Handling Record 24 hour urine volume and collection (start and end) dates and times in space provided on requisition.
Additional Information  
Testing Location Random: Chemistry ACH, DSC, FMC, PLC, RGH, SHC; 24 hour - Chemistry DSC only
Testing Frequency Daily
Alternate Name(s)
Reference Interval

24-hour collections:

Age

Male

Female

Units

Less than 3 years

no range

no range

mmol/d

3-8 years

1.20-6.20

1.20-6.20

mmol/d

9-12 years

2.70-11.50

2.70-11.50

mmol/d

13-17 years

4.40-20.30

3.50-14.10

mmol/d

18-50 years

8.80-22.10

6.20-14.10

mmol/d

51-80 years

7.00-18.60

4.40-12.40

mmol/d

81-150 years

5.30-17.70

3.50-11.50

mmol/d

Random Collections:
Not applicable