CLSI

Abbreviation Safety and Compliance

Clinical and Laboratory Standards Institute: a nonprofit that writes consensus lab standards, such as GP41 for venous blood collection; it does not accredit labs.

Sources

• About CLSI · Clinical and Laboratory Standards Institute
• Order of Blood Draw Tubes and Additives (CLSI blog summary of GP41, Collection of Diagnostic Venous Blood Specimens; GP41-Ed7 was replaced by CLSI PRE02-Ed8, 2025) · Clinical and Laboratory Standards Institute
• List of Approved Accreditation Organizations under CLIA (v. 8.8.2025) · Centers for Medicare & Medicaid Services

Free practice questions that use CLSI

• Routine Blood Collections, question 5A physician office patient has orders for an aPTT (light blue-top) and a hemoglobin A1c (lavender-top). The phlebotomist uses a straight…

Related terms

• CAPCollege of American Pathologists: a CMS-approved accreditor whose Laboratory Accreditation Program sends…
• ccCubic centimeter. Error-prone (ISMP): it can be misread as u (units). Write mL for blood and specimen volumes.
• CDCCenters for Disease Control and Prevention: the federal public health agency whose guidelines cover…
• CLIAClinical Laboratory Improvement Amendments: federal law covering any site that tests human specimens. A site…
• CPRCardiopulmonary resuscitation: emergency care for cardiac arrest. Push hard and fast in the center of the…
• CVACerebrovascular accident: the medical name for a stroke.
• D/CError-prone abbreviation (ISMP): it can mean discharge or discontinue. Write the full word, discharge or…
• DKADiabetic ketoacidosis: a high-blood-sugar emergency. Fruity breath, deep fast breathing, vomiting or…

Study Safety and Compliance

• Free Safety and Compliance practice questions
• All Safety and Compliance terms
• PPE for Blood Collection: Putting On and Taking Off
• Standard and Transmission-Based Precautions
• Hand Hygiene at the Draw Station