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Ionized Calcium Determinations: Precollection Variables, Specimen Choice, Collection, and Handling, 2nd Edition

This document addresses preanalytical considerations such as patient condition, specimen choice, collection, and handling that can influence accuracy and clinical utility of ionized calcium measurements.

This document is available in electronic format only.

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Chairholder: Paul D'Orazio, PhD

Date of Publication: June 1, 2001

Order Code PDF: CLSI C31A2E
ISBN Number: 1-56238-436-8

Order Code Print: print not available

Edition: Second

Pages: 30

CLSI C31 Additional Details

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

The U.S. Food and Drug Administration (FDA) has evaluated and recognized this approved-level consensus guideline for use in satisfying a regulatory requirement.

This archived document is no longer being reviewed through the CLSI Consensus Document Development Process. However, this document is technically valid as of September 2016. Because of its value to the laboratory community, it is being retained in CLSI’s library.

CLSI C31 Abstract

Ionized Calcium Determinations: Precollection Variables, Specimen Choice, Collection, and Handling; Approved Guideline—Second Edition (CLSI document C31-A2) is a guideline for specimen collection for ionized calcium determinations. The primary audience for this publication is personnel responsible for ionized calcium determinations. This document discusses the reasons for in vivo (nonpathologic) and in vitro changes in ionized calcium concentrations, and it presents recommendations for avoiding or minimizing these effects.