URIC ACID, BLOOD

Mnemonic

Samaritan Health Services LaboratoriesURIC

Synonym

Purines

Specimen Collection Requirements

Collect

Serum or Plasma, one 5.0 mL gold (SST), 7.0 mL red or 3.0 mL mint green (lithium heparin, PST) top tube

Handling

Allow serum to clot completely at room temperature (minimum: 30 minutes). Preferably, separate serum or plasma from cells before transport.

Preferred Volume

0.5 mL

Minimum Volume

0.3 mL

Transport

Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed specimens, specimens collected in fluoride, oxalate or EDTA

Stability

Specimens collected using the lithium heparin tubes (PST) are stable up to 7 days refrigerated on the primary gel tube. AFTER SEPARATION FROM CELLS: Ambient (15-25°C): 24 hours; Refrigerated (2-8°C): 5 days; Frozen (at or below -20°C): 6 months

Testing Information

Performed

7 days/week

Method

Colorimetry (Uricase)

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Reference Values

MALE: 3.4-7.0 mg/dL
FEMALE: 2.4-5.7 mg/dL
Age adjusted ranges.

CPT Codes

84550

Last Updated: Thursday, January 5, 2017 03:42:33 AM