Required section · Section 6 of 6

What the Evidence Supports

The deciding evidence is orderly versus irregular distribution, the area of the smear, surrounding single RBCs, and whether CBC observations are numerically coherent. Saline comparison is interpretive only; warming is a distinct validated corrective path.

A corrected CBC requires absent clumps, acceptable flags, numerical consistency, specimen stability, and local release criteria. Persistent clumps and failed corrections have a hold-and-escalate endpoint.

Knowledge checks

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Knowledge check 1

Select conclusions the guided case does not establish.

Choose at least 2 options.

A diagnosis of cold agglutinin disease

A universal warming procedure for all analyzers

An in vitro cold-reactive interference was supported in the specimen

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