Rheumatoid Factor

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Testing Laboratory

Waitematā | Northshore Hospital

Department

Specialised Serology & Proteins

Delphic Registration Code (Alpha Code)

RHF

Test Code (Numeric Code)

0441

Laboratory Handling

Registration

"S" suffix barcode required.

Sample Stability

48

Synonyms

RH Factor
RF
RHF

Turnaround Time

1 day

Available from 08:00am to 04:00pm, 7 days a week

Specimen Type

  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • SST II (Gold Cap)
Preferred if Waitākere
  • SST II (Gold Cap)
Acceptable
  • Plain (Red Top)
Preferred Sample Volume (ml)

4

Minimum Sample Volume (ml)

1

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

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

0.4

Last updated: 23/09/2026