The normal control for glucose is out of range. You re-ran the control (still out) and then made up a new vial of control and ran it (still out). List three possible things you might try next.
Added by Paul W.
Step 1
Step 1: Verify the control material and repeat QC with alternatives — check expiration date, lot number, storage and reconstitution procedures for the control you used; run the other control level (high control) and, if available, a different (third‑party) control Show more…
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