Rheumatoid Factor (RF)

Performing Lab(s)

Memorial-Belleville only

Specimen: plasma (preferred)

Type: Container/Tube: Mint green (LiHep) tube (preferred), SST (gold or marble) or plain red top

Specimen Volume: 2 mL

Specimen Minimum Volume: 1 mL of plasma

Collection Instructions: Deliver to lab immediately.

Lab instructions: NA

Sunday through Saturday

Hours: 6am - 2pm

Turnaround Time:

STAT: No

Routine: less than 24 hours from receipt.

Transport temperature: Ambient to lab

<15 IU/mL

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