Rheumatoid Factor

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Testing Laboratory

Waitematā | Northshore Hospital

Department

Chemical Pathology

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)
Acceptable
  • Plain (Red Top)
Preferred Sample Volume (ml)

4

Minimum Sample Volume (ml)

1

Paediatric Specimen Requirements

Tube/Container Type:

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

0.4

Last updated: 19/12/2025