Rheumatoid factor

Test information: Rheumatoid factor is a significant serological marker of rheumatoid arthritis and can occur in 50 -90% of patients with RA, however, 2-10 % of apparently healthy adults have been shown to have a positive rheumatoid factor and Rheumatoid factors can oocur in up to 50% of patients with infection. 

Specimen Type(s)

• Blood;

Other Acceptable Specimen Type(s)

N/A

Specimen Container - Adult

• Gold Top SST BD;

Specimen Container - Paediatric

• Clear - Plain;

Analytes

• N/A;

Part of a test profile?

No

Volume (min) of sample to be sent to laboratory

4ml

Patient Preparation, Sample Handling and Transport

N/A

Maximum add on time

3 days

Units and Reference Ranges / Interpretation

<30 IU/mL

UKAS number

8869

UKAS accredited test?

Yes

Comments

N/A

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