ARTHRITIS PANEL 1

Mnemonic

ARTH1

Includes

RHEUMATOID FACTOR; ESR (SED RATE), ANA

Specimen Collection Requirements

Handling

ANA: Allow to clot, centrifuge, and immediately separate into a plastic vial. Refrigerate.

Preferred Volume

ESR: 4 mL EDTA whole blood
ANA/RA: 2 ML SERUM

Minimum Volume

ESR: 2 mL EDTA whole blood
ANA/RA: 1 ML SERUM

Rejection Criteria

HEMOLYSIS, SPECIMEN AGE, EDTA CLOTTED

Testing Information

Note

Freeze = -20° C if specimen cannot be tested within 7 days. Allow no more than three freeze/thaw cycleS
ESR stabiity 4 hours.

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Reference Values

ANA: <1:40 RA: NEGATIVE ESR: 0-49 years Female 0-20 mm/hr Male 0-15 mm/hr 50-84 years Female 0-30 mm/hr Male 0-20 mm/hr >=85 years Female 0-42 mm/hr Male 0-30 mm/hr

CPT Codes

85652, 86431, 86038

Last Updated: Thursday, January 5, 2017 03:42:00 AM