Document published by the source itself

H47 | One-Stage Prothrombin Time (PT) Test and Activated Partial Thromboplastin Time (APTT) Test

CLSI H47 catalogue record. Consult the publisher for the complete standard, edition and applicable requirements.

OtherClinical and Laboratory Standards Institute (CLSI)

Source

This guideline outlines standardized procedures for performing and interpreting PT (Prothrombin Time) and APTT (Activated Partial Thromboplastin Time) tests using citrated plasma. It ensures accuracy

This entry describes what the document covers; the document itself is the authority. Listing it is not agreement with its conclusions.

Review and references

Reviewer

Automated source verification

Published

2026-10-19

Updated

2026-10-19

Disclaimer

professional use

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