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Test Code LAB74 Uric Acid, 24 Hour, Urine

Additional Codes

Test Name in EPIC EPIC Test Code Mnemonic
URIC ACID, 24 HR URINE LAB74 U24UA

 

Methodology

Uricase

Specimen Requirements

Specimen Type: Urine, 24 hour

Container/Tube: Aliquot tube

Specimen Volume: 5 mL

Specimen Minimum Volume: 2 mL

Collection Instructions:

1. No preservative. Mix well.

2. See Urine Collection in Special Instructions for 24-hour urine collection instructions.

Additional Information: Starting and ending times of collection and 24-hour volume are required.

 

Performing Laboratory

Measure 24-hour volume. Enter volume and hours of collection into LIS. Adjust pH of specimen to >8 using 10N NaOH. If specimen is cloudy, spin and separate supernatant.

Specimen Transport Temperature

Refrigerate/Ambient 4 days at pH >8/Frozen NO

Day(s) Test Set Up

Monday through Sunday

Reference Values

250-750 mg/24 hours

Test Classification and CPT Coding

84560

Performing Laboratory

Chemistry-

Central Region: St. Joseph's Medical Center Lab

East Region: SMDC Clinical Lab

Special Instructions