Rheumatoid Factor
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Many individuals with rheumatoid arthritis have a substance in their blood
called "rheumatoid factor."
As the diagnosis of rheumatoid arthritis is based on a number of clinical
factors, only one of which is the presence of the RA factor, its' presence
alone is not diagnostic of rheumatoid arthritis, but is supportive of the
diagnosis:
- Some people with RA do not have the RA factor
- Some normal people have the RA factor
- RA factor appears in some individuals with a variety of other
illnesses, including:
- Cancer
- Viral infections
- Syphilis
- Tuberculosis
- Lupus
- Sjoegren's syndrome
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Normal Values*
| RA Factor |
0-69 IU/ml
(Nonreactive) |
*These are general values taken from a variety of
sources. The actual normal values may vary from lab to lab and from one
type of testing protocol to another.
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Approved for public release;
Distribution is unlimited.
The listing of any non-Federal product in this CD is not an endorsement of the
product itself, but simply an acknowledgement of the source.
Bureau of Medicine and Surgery
Department of the Navy
2300 E Street NW
Washington, D.C
20372-5300 |
Operational Medicine
Health Care in Military Settings
CAPT Michael John Hughey, MC, USNR
NAVMED P-5139
January 1, 2001 |
United States Special Operations
Command
7701 Tampa Point Blvd.
MacDill AFB, Florida
33621-5323 |
*This web version is provided by
The Brookside Associates Medical Education Division. It contains
original contents from the official US Navy NAVMED P-5139, but has been
reformatted for web access and includes advertising and links that were not
present in the original version. This web version has not been approved by the
Department of the Navy or the Department of Defense. The presence of any
advertising on these pages does not constitute an endorsement of that product or
service by either the US Department of Defense or the Brookside Associates. The
Brookside Associates is a private organization, not affiliated with the United
States Department of Defense.
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Operational Medicine 2001
Contents
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