URIC ACID, 24 HOUR URINE WITH CREATININE

Test Documentation
Specimen Required
After first morning void collect 24 hour urine. Last sample collected should be first morning void at the same time as the previous mornings first void. Mix urine well and send a 10.0 mL aliquot (2.0 mL minimum) room temperature in a screw-capped urine cup. Record 24 hour volume on cup. Keep urine refrigerated during collection.

Methodology
Spectrophotometry

Stability
Room Temperature: 13 days; Refrigerated: 13 days; Frozen: 28 days

Reference Range
Uric Acid
Male:   120-820 mg/24 h  
Female:   65-630 mg/24 h  
Uric Acid/Creat Ratio
Male:   60-450 mg/g creat  
Female:   90-660 mg/g creat  
Creatinine, 24 hour urine
By report

Performed
Tuesday, Friday

Turnaround Time4-6 days
Test CodeUUAQ
CPT-4 Code (s)
84560, 82570
LOINC Codes
Uric acid, 24-hour urine   3087-4  
Creatinine, 24-hour urine   2162-6  
Uric acid/Creat ratio   13820-6  
Total volume   3167-4  

Warde
Medical
Laboratory