delta check

del·ta check

a comparison of consecutive values for a given test in a patient's laboratory file used to detect abrupt changes, usually generated as a part of computer-based quality control programs. Synonym(s): Δ check
A technique for quality control of clinical specimens, in which a patient’s results are compared to previous results; if the differences are significant, then the newer specimen is ‘flagged,’ indicating to the bench technologist a need to examine the specimen for potential misdraw, instrument error, etc.

del·ta check

(del'tă chek) A comparison of consecutive values for a given test in a patient's laboratory file used to detect abrupt changes, usually generated as a part of computer-based quality control programs.