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 ?
Comparison of warfarin therapy clinical outcomes following implementation of an automated mobile phone-based critical laboratory value text alert system.
Using HIV PromptChart can decrease the time required to review critical laboratory values by providing concise visual tools that track longitudinal changes in relevant markers, such as viral load and CD4.
Ever since George Lundberg introduced the concept of critical laboratory values in the 1970s (1), medical technologists have considered it their duty to expeditiously report these values by calling the respective patient units and reading the numbers to the caretaker.
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.

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