Tests
Main Content
Rheumatoid Factor (RF)
| Test Name: | Rheumatoid Factor (RF) | ||
| Epic Order Code: | LAB206 | ||
| CPT Code: | 86431 | ||
| Specimen(s) Type: | Plasma or Serum, 1.0 mL | ||
| Acceptable Container(s): |    Tube tops are light green, gold and red. | ||
| Testing Schedule: | Monday - Friday | ||
| Turn Around Time: | STAT: NA | ||
| Routine: 24-72 hours | |||
| Collection Information: | No special patient preparation is required. Obtain by standard collection procedures. | ||
| Transport Information: | Deliver to lab immediately. All specimens must be signed into the laboratory. | ||
| Reference Client: | If unable to deliver to the lab within 1 hour, centrifuge the specimen and remove serum from the red cells. Store and transport at 2-8° C within 3 days. If longer storage is required, store and transport the sample at -20° C up to 4 weeks. | ||
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient volume, incorrect/delay in transport. | ||
| Reference Range: | < 14.0 IU/mL | ||
| Additional Information: | |||