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HelpTest Code CRCL Creatinine Clearance (Uncorr. for Ht/Wt)
Synonyms/Keywords
CRCL, Creatinine Clearance
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 |
24 Hour Urine | 24 Hour Urine jug without preservative | 24 Hour Urine jug with 7 g sulfamic acid, 20 mL 6 N HCL, 25 mL 33% acetic acid, 10 g boric acid, or 5 g sodium carbonate | 10 mL | 0.5 mL |
|
| Plasma/Serum (*See Collection Instructions) | Lithium-heparin Plasma Separator Tube (PST) | Serum Separator Tube (SST), Lithium or Sodium-Heparinized Green Top Tube (GTT) or Red Top Tube (RTT) | 1 mL | 0.3 mL |
Collection/Processing Instructions
*If there is no other blood creatinine order on the same encounter within 24 hours of urine collection a blood order of .CREAT (Creatinine Level) will be reflexed when the urine order is completely activated and should be drawn when the patient returns the timed urine collection.
Note: Blood specimens are acceptable no earlier than 24 hours prior to the start of the urine collection or no later than 24 hours after the collection ends.
Urine
- Indicate the collection time.
- The total volume collected must be measured, recorded, and included with the test request.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine - No Preservative | Ambient | 2 hours |
| Refrigerate | 4 days | |
| Urine - W/Preservative | Refrigerate | 7 days |
| Plasma/Serum | Ambient | 7 days |
| Refrigerate | 7 days |
Rejection Criteria
If either the blood or urine specimen is not available, the test cannot be performed.
Test Components
Urine and Blood Creatinine
Reference Range Information
| Performing Location | Reference Range |
|---|---|
| All Performing Sites | CLEARANCE, mL/min. 1.73m2 MALE 0 - 1 month: 40 - 65 2 mo - 19 yrs: 92 - 150 20 - 29 years: 85 - 143 30 - 39 years: 78 - 136 40 - 49 years: 72 - 130 50 - 64 years: 65 - 123 > 65 yrs: 58 - 116 FEMALE 0 - 1 month: 40 - 65 2 mo - 19 yrs: 86 - 140 20 - 29 years: 79 - 133 30 - 39 years: 73 - 126 40 - 49 years: 67 - 121 50 - 64 years: 60 - 114 > 65 yrs: 54 - 108 |
Marshfield Labs Performing Department
Marshfield Labs Chemistry
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Beaver Dam | Monday through Sunday | Less than 2 hours | Modified Jaffe Reaction/ Siemens Dimension |
| Marshfield | Monday through Sunday | Less than 2 hours | Modified Jaffe Kinetic Fixed Assay/ Beckman Coulter AU |
| Rice Lake | Monday through Sunday | Less than 2 hours | Modified Jaffe Reaction/ Siemens Dimension |
| Weston | Monday through Sunday | Less than 2 hours | Modified Jaffe Reaction/ Siemens Atellica |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 82570 | Creatinine, other source | |||
| 82565 | Creatinine, blood | If needed |
Outreach CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 82570 | Creatinine, other source | |||
| 82565 | Creatinine, blood | If needed |
Ordering Applications
| Ordering Application | Description |
|---|---|
| Cerner | Creatinine Clearance (Uncorr. for Ht/Wt) CRCL |
| 4media | Creatinine Clearance (Uncorr. for Ht/Wt) |