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22945 Uric Acid, Urine 24 Hour

Uric Acid, Urine 24 Hour
Test Code: UA-24H
Synonyms/Keywords
Uric Acid - Urine, 24 hr​
Test Components
Urine Uric Acid and Creatinine​
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​
 ​ 10 mL aliquot​ 1 mL aliquot​ ​
Collection Processing Instructions
Aliquot from well-mixed 24 hour urine collected without a preservative.
Adjust aliquot to pH 7.5 - 8.5.
Aliquot tubes containing sodium carbonate are available from Marshfield Labs which provide automatic adjustment of pH.
Indicate the collection time.
The total volume collected must be measured, recorded, and included with the test request.
 

See Aliquotting of 24-Hour Urines for Multiple Tests.

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
Marshfield​ Monday through Sunday​ 6-8 hours​ Uricase & Jaffe reaction/ Beckman AU
Reference Range Information
Performing Location Reference Range
Marshfield​      <5 yrs:  100-350 mg/24 hr 
  5-10 yrs:  120-460 mg/24 hr
11-15 yrs:  180-640 mg/24 hr 
   >15 yrs:  250-750 mg/24 hr​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
84560 ​ ​ ​ ​ ​
Synonyms/Keywords
Uric Acid - Urine, 24 hr​
Test Components
Urine Uric Acid and Creatinine​
Ordering Applications
Ordering Application Description
​Centricity ​Uric Acid-24hr
​Cerner ​Uric Acid 24 Hour Urine
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​
 ​ 10 mL aliquot​ 1 mL aliquot​ ​
Collection Processing
Aliquot from well-mixed 24 hour urine collected without a preservative.
Adjust aliquot to pH 7.5 - 8.5.
Aliquot tubes containing sodium carbonate are available from Marshfield Labs which provide automatic adjustment of pH.
Indicate the collection time.
The total volume collected must be measured, recorded, and included with the test request.
 

See Aliquotting of 24-Hour Urines for Multiple Tests.

Specimen Stability Information
Specimen Type Temperature Time
Urine​ - No Preservative ​ Ambient 2 hours
​Refrigerate ​4 days
​Urine - With Preservative ​Refrigerate ​7 days
Test Components
Urine Uric Acid and Creatinine​
Reference Range Information
Performing Location Reference Range
Marshfield​      <5 yrs:  100-350 mg/24 hr 
  5-10 yrs:  120-460 mg/24 hr
11-15 yrs:  180-640 mg/24 hr 
   >15 yrs:  250-750 mg/24 hr​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Sunday​ 6-8 hours​ Uricase & Jaffe reaction/ Beckman AU
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
84560 ​ ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.