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Uric Acid, Urine, Timed

Mnemonic

U TM URIC

Synonym

Urine Uric Acid

Includes

Urine Uric Acid, Urine Uric Acid/Day

Guidelines

Patient Instructions for Collecting a Timed Urine Sample (24, 48, 72 hours)

Specimen Collection Requirements

Collect

Preferred: 24 hour urine without preservatives, refrigerate during collection. Also acceptable: Other timed urine collections.

Handling

Collect urine over 24 hours. Refrigerate during collection. Mix urine well before removing aliquot. Record collection time interval and total volume on the transport tube and test request form.

Preferred Volume

2.0 mL urine

Minimum Volume

0.5 mL urine

Transport

Refrigerated (2-8°C)

Stability

Room Temperature (18-26°C): 3 days; Refrigerated (2-8°C): 3 days; Frozen (≤-20°C): Unacceptable

Testing Information

Performed

7 days/week

Reported

24 hours

Method

Colorimetry (Uricase)

Reference Values

Reference Values

250-750 mg/day

CPT Codes

84560

Last Updated: Wednesday, February 3, 2021 01:19:13 AM

Client Services: 503-413-1234