Rheumatoid Factor (Blood)

  1. Home
  2. Auckland Te Toka Tumai
  3. Test Guide
  4. Rheumatoid Factor (Blood)
Print Page

Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

RHU

Test Code (Numeric Code)

7180

Laboratory Handling

Phlebotomy

Serum / Plasma

Transport

Ambient

Laboratory

LabPlus Automation

Sample Stability

1 day at 20-25°C, 8 days at 4-8°C, 3 months at -20°C

Associated Tests

Synonyms

RF test, RA factor, Rheumatoid Factor Test.

Turnaround Time

3 hours

Specimen Type

  • Plasma
  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
  • Lithium Heparin - Non-gel (Green Cap)
  • Plain (Red Top)
  • SST II (Gold Cap)
Preferred Sample Volume (ml)

4.5

Minimum Sample Volume (ml)

3

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Heparin (Microtainer)
Acceptable
  • Plain(Microtainer)
  • SST(Microtainer)
Preferred Sample Volume (ml)

2

Minimum Sample Volume (ml)

1

Last updated: 05/05/2026