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Arthritis Screen

Mnemonic

ARTH PAN

Includes

Rheumatoid Factor, ANA R-IFA, C-Reactive Protein

Specimen Collection Requirements

Collect

Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube

Handling

Allow serum to clot completely at room temperature (minimum: SST - 30 minutes and red top tubes - 60 minutes). Centrifuge and separate serum from cells as soon as possible.

Preferred Volume

2.0 mL Serum

Minimum Volume

1.0 mL Serum, (Whole Blood 2.4 mL minimum draw)

Transport

Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed or lipemic specimens

Stability

AFTER SEPARATION FROM CELLS: Room Temperature (18-26 ºC): 8 hours; Refrigerated (2-8°C): 48 hours; Frozen (≤ -20°C): 2 months

Testing Information

Performed

Mon - Fri

Reported

24-72 hours

Method

See specific tests.

Reference Values

Reference Values

See specific tests.

CPT Codes

86038, 86431, 86140

Last Updated: Friday, October 4, 2019 02:44:44 AM


Client Services: 503-413-1234