Update 1/23/2026:
Due to updates to our system, several links are broken. We are working on updating broken links and missing information. Sorry for the inconvenience. If there is a document you need, please use the Contact Us link above or email CHWLabServices@corewellhealth.org.
Welcome to the Corewell Health Laboratory Client Training Page!
Questions? Click on “Contact Us” above.
Click on the guides below to download a copy to your device. If you would like hard copies of any of the below please use the “Contact Us” link above.
Specimen Collection Devices – Visual Guides
| Visual Guides | |
|---|---|
| ATL Specimen Quick Guide
Cytogenetics, Flow Cytometry, Molecular Diagnostics |
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| General Specimen – WEST
Urine, Tissue, Swab, Stool, Body Fluids |
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| General Specimen – SOUTH
Urine, Tissue, Swab, Stool, Body Fluids |
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| Labeling Guides
Where does the label go on the tube or cup? |
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| Order of Blood Draw | |
| Royal Blue Tubes
Which Royal Blue Tube Should I Use? |
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| Specimen Bags and Lockbox Packaging Guide | |
Specimen Collection: Reference Guides
Click on the link to download guide
Avoiding Hemolysis and Clotting
Label Special Instructions Shorthand Instructions Key (updated)
Outpatient Common Blood Test Tubes (updated)
Urine Collection Guide for Laboratory Staff
Collection Guides
| Specimen | Collection Type – Click on the image to download | GUIDE |
| Blood | Capillary Finger Collection |  |
| Capillary Heel Collection | |
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| Centrifuge and Aliquot | ||
| Lead Screen Filter Paper Instructions | |
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| Cytology | Pap Collection Instructions (April 2022) | |
| Fine Needle Aspirate (FNA) (April 2022) | |
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| Microbiology | Nasal/Nasopharyngeal (NP) Collection | |
| Throat Swab Collection | |
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| Urine | Urine Vacutainer | |
| Urine Preservative | |
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| Self Collect | Self-Swab for STI Testing |  |
Additional Resources
Tutorial – How do I use the Lab Specimen Collection Catalog?
Tutorial – How to create a live feed of this blog in Internet Explorer or Outlook
Phlebotomy Refresher Training for Nurses and MA’s – Password required -please speak with your account manager for access. CHMG/Corewell Health employees please use this form