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22193 Creatinine, Urine 24 Hour

Creatinine, Urine 24 Hour
Test Code: CR-24H
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
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Diagnostic Treatment Center​ ​Monday through Sunday​​Less than 2 hours​Modified Jaffe Reaction/Siemens Dimension
​Eau Claire​Monday through Sunday​​Less than 2 hours​​Modified Jaffe Reaction/Siemens Dimension
​Lakeview Medical Center​Monday through Sunday​​Less than 2 hours​​Modified Jaffe Reaction/Siemens Dimension
Marshfield​Monday through Sunday​6-8 hours​

Modified Jaffe Kinetic Fixed Assay/Beckman AU

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​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82570   ​ ​ ​ ​ ​
Synonyms/Keywords
Urine Creatinine, 24 hour​
Ordering Applications
Ordering Application Description
​Centricity ​Creatinine-24Hr
​Cerner ​Creatinine 24 Hour Urine
​COM ​Creatinine - Urine, 24 hr
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
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
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​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Diagnostic Treatment Center​ ​Monday through Sunday​​Less than 2 hours​Modified Jaffe Reaction/Siemens Dimension
​Eau Claire​Monday through Sunday​​Less than 2 hours​​Modified Jaffe Reaction/Siemens Dimension
​Lakeview Medical Center​Monday through Sunday​​Less than 2 hours​​Modified Jaffe Reaction/Siemens Dimension
Marshfield​Monday through Sunday​6-8 hours​

Modified Jaffe Kinetic Fixed Assay/Beckman AU

For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82570   ​ ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.