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One-Stage Prothrombin Time (PT) Test and Activated Partial Thromboplastin Time (APTT) Test, 3rd Edition

This document provides guidelines for performing the PT and APTT tests in the clinical laboratory, for reporting results, and for identifying sources of error.

This document is available in electronic format only.

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Chairholder: Donna Castellone, MS, MASCP, MT(ASCP)SH and Karen Moser, MD

Date of Publication: March 7, 2023

Order Code PDF: CLSI H47Ed3E
ISBN Number: 978-1-68440-173-4

Order Code Print: print not available

Edition: Third

Pages: 56

CLSI H47 Additional Details

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