Creatinine; Citrate
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Citrate, 24 hr Urine
Test ID: CITR
Test
Method
Enzymatic
Report Includes
Specimens
Urine (24 hr)
Test Location
Mount Sinai Hospital, 600 University Avenue, Toronto ON M5G 1X5
Test Version
30-Sep-2019
Specimen
Specimens
Urine (24 hr)
Sample Volume
5 mL
Specimen Comment
24 hour urine collection is preferred to random (separate test listing).
Collection & Handling
Collection Instructions
Collect urine with no preservative – acidified specimens are also acceptable.
Additional Information
Provide collection date and volume (in litres). A separate specimen is required if oxalate is ordered as well.
Stability
| Refrigerated | 14 days |
|---|---|
| Frozen | 49 days |
Test Version
30-Sep-2019
Performance / Interpretation
Method
Enzymatic
Turnaround Time
10 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Hours of Collection | h |
|
||
| Collected Urine Volume | L |
|
||
| Daily Volume | L/d |
|
||
| Creatinine Output | mmol/d |
|
||
| Citrate | mmol/24 hour | mg/d x 0.00521 | ||
Test Location
Mount Sinai Hospital, 600 University Avenue, Toronto ON M5G 1X5
Test Version
30-Sep-2019
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| CITR | 20798Hours of Collection | h |
| 62649Collected Urine Volume | L | |
| 20799Volume Daily Ur | L/d | |
| 20801Creat Output Ur | mmol/d | |
| 21207Citrate Daily Ur | mmol/24hr |
Test Version
30-Sep-2019