Reumatoid factor (RF)

Reumatoid factor (RF) values and definitions

Negative referent values of reumatoid factor (rf) test are between 0 and <20 U/mL.
:
| :
:
:
0   -
<20
U/mL
negative

Equivocal referent values of reumatoid factor (rf) test are between 20 and 30 U/mL.
:
| :
:
:
20   -
30
U/mL
Equivocal

Positive referent values of reumatoid factor (rf) test are between >30 and n/a U/mL.
:
| :
:
:
>30   -
n/a
U/mL
positive

Also see:

HIGH ERYTHROCYTE SEDIMENTATION RATE (ESR) TEST RESULT REFERENT VALUES FOR FEMALE What does high Erythrocyte sedimentation rate (ESR) test result referent values for female level mean?

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LOW TRANSFERRIN SATURATION TEST RESULT What does lower than normal transferrin saturation test level mean?

HIGH REUMATOID FACTOR (RF) TEST RESULT POSITIVE REFERENT VALUES What does high Reumatoid factor (RF) test result positive referent values level mean?

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LOW LGD TEST RESULT REFERENT VALUES FOR ADULTS What does low IgD test result referent values for adults level mean?

LOW MALE CREATINE KINASE (CK) BLOOD TEST LEVEL What does lowerd Creatine kinase (CK) blood test level mean for man?

HIGH PROTHROMBIN TIME (PT) TEST RESULT REFERENT VALUES What does high Prothrombin time (PT) test result referent values level mean?

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