Proficiency Or External Quality Control Testing - Abbott i-STAT 1 System Manual

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PROFICIENCY or EXTERNAL QUALITY CONTROL TESTING

Samples from external quality control providers can be used to assess consistency of

results for a particular method or system across testing sites. Due to matrix effects

and additives, these samples should not be used as an indication of the system's

true accuracy.

General Procedure for

Initiating Proficiency Tests from the Quality Tests menu allows results to be stored

in separate categories for the purpose of documentation and review. Proficiency

samples should be tested in the same way as patient samples.

The same CLEW is used for the patient test path and the Proficiency test path. The

Proficiency test path uses K

disables the CPB mode. It also uses the PREWARM mode for ACT. This ensures that

hematocrit and ACT results are consistent across all sites. Also, if star-outs occur

frequently when using the patient sample test path to test proficiency or external

quality control samples, they might be avoided by using the proficiency test path.

Art: 714378-01E

EDTA standardization coefficients for Hematocrit and

Rev. Date: 31-Jan-12