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HelpTest Code CR-24H Creatinine, Urine 24 Hour
Synonyms/Keywords
Urine Creatinine, 24 hour
Specimen Requirements
| Fasting Required | Specimen Type | Preferred Container/Tube | Acceptable Container/Tube | Specimen Volume | Specimen Minimum Volume (allows for 1 repeat) |
Pediatric Minimum Volume (no repeat) |
|---|---|---|---|---|---|---|
| No | Urine | 24H Urine Jug, Urine Container | * For alternative samples, see "Collection Processing Instructions" below | 10 mL | 0.5 mL |
Collection/Processing Instructions
Indicate collection time period on the card.
The total volume collected must be measured, recorded, and included with the test request.
Aliquot from a well-mixed 24 hr urine collected without preservative.
If multiple tests are needed on the urine collection, acceptable alternate preservatives include 7 g sulfamic acid, 20 mL 6N HCl, 25 mL 33% acetic acid, 10 g boric acid, or 5 g sodium carbonate.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine - No Preservative | Ambient | 2 hours |
| Refrigerate | 4 days | |
| Urine - With Preservative | Refrigerate | 7 days |
Reference Range Information
| Performing Location | Reference Range |
|---|---|
| All Performing Sites | Male: 1.0-2.7 g/24 hr Female: 0.8-1.7 g/24 hr |
Marshfield Labs Performing Department
Marshfield Labs Chemistry
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Beaver Dam | Monday through Sunday | 6-8 hours | Modified Jaffe Kinetic Fixed Assay/Beckman AU |
| Weston | Monday through Sunday | Less than 2 hours | Modified Jaffe Kinetic Fixed Assay/Beckman AU |
| Eau Claire | Monday through Sunday | 6-8 hours | Modified Jaffe Kinetic Fixed Assay/Beckman AU |
| Rice Lake | Monday through Sunday | 6-8 hours | Modified Jaffe Kinetic Fixed Assay/Beckman AU |
| Marshfield | Monday through Sunday | 6-8 hours |
Modified Jaffe Kinetic Fixed Assay/Beckman AU |
| Minocqua | Monday through Sunday | 6-8 hours | Modified Jaffe Kinetic Fixed Assay/Beckman AU |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 82570 |
Outreach CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 82570 |
Ordering Applications
| Ordering Application | Description |
|---|---|
| Cerner | Creatinine, Urine 24 Hour |