# Phlebotomy Exam Prep 45, Specimen Rejection Criteria

Page: https://stenobird.com/podcast/nursing-healthcare-exam-prep-7652377/phlebotomy-exam-prep-45-specimen-rejection-criteria
Text version: https://stenobird.com/podcast/nursing-healthcare-exam-prep-7652377/phlebotomy-exam-prep-45-specimen-rejection-criteria.md
Podcast: [Nursing & Healthcare Exam Prep](https://stenobird.com/podcast/nursing-healthcare-exam-prep-7652377)
Published: 2026-06-11T22:25:11+00:00
Episode link: https://open-exam-prep.com/
Audio file: https://episodes.captivate.fm/episode/3b93a8fc-0994-4585-b9e9-747139b244d5.mp3
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JSON: https://stenobird.com/v1/public/podcasts/nursing-healthcare-exam-prep-7652377/episodes/phlebotomy-exam-prep-45-specimen-rejection-criteria
Duration seconds: 186

## Resource

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why a mislabeled specimen is a critical error that always requires recollection without exception. - The importance of the nine-to-one blood-to-additive ratio in light blue top tubes and how underfilling falsely prolongs coagulation results. - How hemolysis, the rupture of red blood cells, can falsely elevate analytes such as potassium, leading to inaccurate test results. - The reason clotted EDTA (lavender top) tubes are rejected for hematology tests like the CBC and the importance of proper mixing to prevent it. - The standard lab procedure following a specimen rejection, which involves notifying the provider and recollecting the sample to ensure patient safety and accurate diagnosis. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

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## Transcript

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