|
Definition:
|
|
An antiparietal cells antibodies test is a blood test that looks for antibodies against the parietal cells of the stomach. The parietal cells make and release a substance that the body needs to absorb vitamin B12.
|
|
|
Alternative Names:
|
|
APCA; Anti-gastric parietal cell antibodies
|
|
|
How to prepare for the test:
|
|
No special preparation is necessary.
|
|
|
Why the test is performed:
|
|
Your health care provider may use this test to help diagnose pernicious anemia. Other tests are also used to help with the diagnosis.
|
|
|
Normal Values:
|
|
A negative result is normal.
|
|
|
What abnormal results mean:
|
|
A positive test result is abnormal. This may be due to:
|
|
|
What the risks are:
|
|
Veins and arteries vary in size from one patient to another and from one side of the body to the other. Obtaining a blood sample from some people may be more difficult than from others.
Other risks associated with having blood drawn are slight but may include:
- Excessive bleeding
- Fainting or feeling light-headed
- Hematoma (blood accumulating under the skin)
- Infection (a slight risk any time the skin is broken)
|
|
|
References:
|
|
Antony AC. Megaloblastic anemias. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 170.
|
|
