The initial analysis of sid (b)(4) was judged "negative" with no ip messages.The sysmex xn-9100 instructions for use (ifu), chapter 11: checking detailed analysis information (data browser), section 11.5: ip messages, details the method in which the analyzer conveys its findings.Results without an error message are categorized as "positive" or "negative" based upon preset criteria, some of which are laboratory-defined.The system bases judgments on comprehensive surveys of numerical data, particle-size distributions, and scattergrams.Flags and messages, communicated through ip messages, indicate the analyzer's findings and notify of possible sample specific abnormalities.Any flag not generated indicates the criteria defined were not met.Chapter 11 further details ip message types, meanings, and judgment methods, and provides the default ip message settings.The user-defined setting for "thrombocytopenia" was not engaged at the default setting of plt value <60 x 10^3/ul.The initial analysis of sid (b)(4) generated a plt value of 49 x 10^3/ul.Had the analyzer been set to the manufacturer's default settings the suspect analyses would have been judged "positive" indicating the need for further review of the sample prior to result reporting.Chapter 15: technical information, section 15.2: system limitations and interfering substances, notes: "compromised samples, such as those not properly collected, stored, transported, or contain clots may cause misleading results.Always use good laboratory practices for inspecting specimens for acceptability and verifying results." a pre-analytical sample issue caused this event.The user is responsible for verifying sample integrity prior to analysis.No product deficiency was identified.
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