RHEUMATOID FACTOR

LAB206

 

Collect

One 5.0 mL gold top with gel (SST), (clot activator serum)

Pediatric Collection

Minimum volume 0.5 mL

Unacceptable Conditions

Sample not properly identified; incorrect container; insufficient sample volume.

Storage/Transport Temperature

Internal: Deliver to laboratory immediately at ambient temperature.

Offsite: Allow to clot for 30 minutes, immediately centrifuge, then transport to lab at 4-8 degrees C.

Stability (from collection to initiation)

After centrifugation: Ambient: 24 hours; Refrigerated: 8 days; Frozen (-20 degrees C): 3 months (avoid repeated freezing and thawing)

Performed by

PCL Clinical Laboratory - Core Laboratory

Performed

Upon receipt

Methodology

Turbidimetry

Reported

Same day

Synonyms

  • LAB206
  • RA
  • RF
  • Rheumatoid Arthritis Factor

Reference Interval

0-14 IU/mL

Performed by

PCL Clinical Laboratory - Core Laboratory

CPT Codes

86431
Collection

LAB206

 

Collect

One 5.0 mL gold top with gel (SST), (clot activator serum)

Pediatric Collection

Minimum volume 0.5 mL

Unacceptable Conditions

Sample not properly identified; incorrect container; insufficient sample volume.

Storage/Transport Temperature

Internal: Deliver to laboratory immediately at ambient temperature.

Offsite: Allow to clot for 30 minutes, immediately centrifuge, then transport to lab at 4-8 degrees C.

Stability (from collection to initiation)

After centrifugation: Ambient: 24 hours; Refrigerated: 8 days; Frozen (-20 degrees C): 3 months (avoid repeated freezing and thawing)

Performed by

PCL Clinical Laboratory - Core Laboratory

Ordering

Performed

Upon receipt

Methodology

Turbidimetry

Reported

Same day

Synonyms

  • LAB206
  • RA
  • RF
  • Rheumatoid Arthritis Factor
Result Interpretation

Reference Interval

0-14 IU/mL

Performed by

PCL Clinical Laboratory - Core Laboratory

Administrative

CPT Codes

86431

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