critical laboratory value


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critical laboratory value

, critical value
A test result obtained from a clinical specimen that is so far outside the normal range that it is likely to indicate an acute risk to the health of the patient.
Synonym: critical result
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References in periodicals archive ?
(6,7) Based on an evaluation of repeat analyses for 580 critical laboratory values in chemistry, hematology, and coagulation testing, Chima et al recently reported that repeating critical values did not yield better accuracy and consequently considered it unnecessary for that purpose.
A minimum of 500 consecutive critical laboratory values were collected retrospectively for each test category using institutionally established critical value limits.

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