Is the IVD blood analyser coming into contact with or exchanging energy with a patient? I.e. Does it "have an applied part or transfer energy to or from the patient " where applied part means "part [that] in normal use comes into contact with the patient for [the device] to perform its function"?
If it is not, then I don't think it falls under the definition of "Medical electrical equipment" and so would not fall under the scope of IEC 60601. IEC 61326 allows for the use of IVD equipment in the laboratory "and other environments" and its definition of a class B equipment explicitly mentions use in a "residential" environment.
The related standard IEC 61010-1 explicitly mentions as an example "Self-test IVD equipment to be used in the home" (I don't take this as exclusively applying to "Self-test" though) and references out to IEC 61326 as the relevant EMC standard for this type of equipment (see clause 1.2.2).