serum

Medical term Routine Blood Collections

The liquid left after blood clots and is centrifuged; it lacks the clotting factors used up in the clot. Collected in clot-activator or plain tubes.

Sources

• Anatomy and Physiology 2e, Chapter 18 Key Terms · OpenStax
• Chang J, et al. Standards and Practice Guidelines for Venous Blood Collection: Consensus Recommendations from the Korean Society for Laboratory Medicine. Ann Lab Med 2025;45(4):343-357 (PMC12187494) · Annals of Laboratory Medicine via PubMed Central

Free practice questions that use serum

• Special Collections, question 6What do blood culture bottles contain?

Related terms

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Study Routine Blood Collections

• Free Routine Blood Collections practice questions
• All Routine Blood Collections terms
• Venous Order of Draw, Additives and Inversions
• Phlebotomy Abbreviations and the Do-Not-Use List
• Medical Word Parts for Phlebotomy