WARNING: We do not support Internet Explorer. It is not secure and will not work correctly. Please come back using a newer web browser.


Use of Delta Checks in the Medical Laboratory, 2nd Edition

This guideline provides approaches for selecting measurands for which delta checks are useful, establishing delta check limits and rules for comparing current clinical reported results with previously reported results for a given patient, initiating delta check alerts in the laboratory information system, investigating patient samples with delta check alerts, and evaluating the effectiveness of the laboratory’s delta check program.

Member price:

List Price:
Log in/sign up to see price and add to cart


Chairholder: Rex Astles, PhD, FAACC, DABCC

Date of Publication: July 6, 2023

Order Code PDF: CLSI EP33Ed2E
ISBN Number: 978-1-68440-193-2

Order Code Print: CLSI EP33Ed2
ISBN Number: 978-1-68440-192-5

Edition: Second

Pages: 70

CLSI EP33 Additional Details

A guideline for global application developed through the Clinical and Laboratory Standards Institute consensus process.

If interested in ordering larger quantities of this document in print, please contact us .