Test Code RUR Urine Uric Acid, Random

Important Note

If ordering a timed collection use order code URUR

Specimen and Container/Tube

Specimen Type: Urine, Random Collection

Preferred Specimen: Sterile Plastic Container

Other Acceptable specimens: Sterile Clean Glass Container

Specimen Stability

Storage Temperature	Stability
Room temperature	Perform testing as soon as possible 4 days (after NaOH preservation)
Refrigerated	Perform testing as soon as possible
Frozen	not acceptable

Collection Instructions

Collect specimen per standard laboratory collection procedures.
No preservatives or additives.

Specimen Handling and Transport Instructions

UCMC Onsite Instructions:

Collect specimen per standard collection procedure and send to laboratory immediately.
No preservatives or additives.

UCMC Offsite and UC MedLab Outreach Instructions:

Samples should be centrifuged within 2 hours of collection
No preservatives or additives
Centrifuge specimens at >2500 x g for 10 minutes at room temperature.
Aliquot urine into plastic tube containing a minimum of 0.2 mL of specimen.
Urine samples must then be sent refrigerated at 2-8^oC.

Rejection Criteria

Common specimen rejected situations include: incorrect specimen type, insufficient volume, missing or incomplete specimen identifiers, incorrect specimen transport, or specimens outside stability limits.
Specimens that are collected with preservatives or additives.

Reference Values

Test	Age	Sex	Reference Range
Urine Uric Acid	All	All	N/A

Critical Values

Not applicable

Turnaround Time

Turnaround times are relative to the time the specimen is received in the test laboratory.

STAT Turnaround Time: 1 hour

Routine Turnaround Time: 4 hours

Testing Schedule: 24/7

Clinical Indications

Useful in the assessment and management of patients with kidney stones, particularly uric acid stones.

Test Components

Urine Uric Acid

CPT Codes

84560

LOINC Codes

3086-6

Methodology

Enzymatic Colorimetric Assay, Spectrophotometric (Roche Diagnostics)

Synonyms/Keyword Search