Citrate, Urine (24hr or Random)
Order Name
CITRIC U
Test Number: 3808600
Revision Date 12/09/2022
Test Number: 3808600
Revision Date 12/09/2022
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Citrate, Urine (24hr or Random)
|
Spectrophotometry |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 10 mL aliquot (2.5 mL aliquot) | Urine, 24-hour | 24 hour Urine Container | Refrigerated |
| Instructions | Notes: 2.5 mL aliquot (Note: This volume Does NOT allow for repeat t esting). Specimen Type: Plastic LabCorp 24-hour urine container with 30 mL 6N HCl preservative (LabCorp No. 21584) Specimen Storage: Refrigerate at 2(degrees)C to 8(degrees)C after collection. Specimen Collection: Collect 24-hour urine with 30 mL 6N HCl. CAUTION: Strong acid. Mix well. Instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on securely. Container must be labeled with patient's full name and date and time collection started and finished. Keep container refrigerated during collection. Preservative is not necessary during collection but should be added to urine collection within 24 hours. Final pH MUST be 1-3. Measure and record on the request form 24-hour total volume and send 25 mL aliquot to the laboratory. Alternatively, the sample may be FROZEN without added acid. Special Instructions: Record entire 24-hour total volume on the request form. pH must be 1-3 or the sample FROZEN without the addition of acid. Specimen Stability: Ambient: 14 days, Refrigerated : 14 days, Frozen: 14 days |
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| GENERAL INFORMATION | |
|---|---|
| Expected TAT | 2-5 Days |
| Notes | Labcorp Test Code: 016865 |
| CPT Code(s) | 82507 |
| Service Provided By |  |
| Lab Section | Reference Lab |