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HelpTest Code RFQT Rheumatoid Factor Quantitative, Serum or Plasma
Methodology
Immunoturbidimetric
Specimen Requirements
Container/Tube:
Preferred: Lithium heparin (light green-top)
Acceptable: Serum Gel
Draw blood, spin down and send 1 mL (pediatric: 0.2 mL) of plasma or serum.
Specimen Stability Information
|
Specimen Type |
Temperature |
Time |
|
Plasma,lithium heparin / Serum |
RT, spun |
1 days |
|
Refrigerated spun |
8 days |
Reference Values
<14 IU/mL
Reject Due To
|
Hemolysis |
Mild: |
ok |
Gross: |
Reject |
|
Lipemia |
Mild: |
ok |
Gross: |
ok |
|
Icterus |
Mild: |
ok |
Gross: |
Reject |
Day(s) Test Set Up
Monday through Sunday
CPT Coding
86431
Secondary ID
HHA1403
Performing Laboratory
Huntsville Hospital Laboratory
LOINC Coding
| Test Name | LOINC Code |
|---|---|
|
Rheumatoid Factor, Serum or Plasma |
11572-5 |