Department of Laboratory Medicine
University of Washington
Clinical assay interference and limitations
Bleeding Time
[BLTS]
Methodology: Organon Teknika Simplate
Interfering Substances:
The Bleeding Time test is intended to detect
intrinsic platelet defects.
Other factors affecting bleeding times include the following:
Patient related factors such as age, skin type, skin condition
(including edema), skin vascularity and temperature.
Individual technique in the performance of the procedure.
Drugs that affect platelet function.
Platelet counts < 75,000/uL.
Reference:
Organon Teknika - Simplate Product Insert (September 1997)
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