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 |
| General Specimen – WEST | Urine, Tissue, Swab, Stool, Body Fluids |
| General Specimen – SOUTH | Urine, Tissue, Swab, Stool, Body Fluids |
| Labeling Guides | Where does the label go on the tube or cup? |
| Order of Blood Draw | |
| Royal Blue Tubes | Which Royal Blue Tube Should I Use? |
| Specimen Bags and Lockbox Packaging Guide | Drop off or Delivery Information |
Specimen Collection: Reference Guides
Click on the link to download guide
Avoiding Hemolysis and Clotting (System)
Label Special Instructions Shorthand Instructions Key (System)
Outpatient Common Blood Test Tubes (West Michigan)
Referral/Send Outs Guide (West Michigan)
Reflex Testing Guide (West Michigan)
Reflex Testing Guide (Southwest Michigan)
Reflex Testing Guide (Southeast Michigan)
Urine Collection Guide for Laboratory Staff (West Michigan)
Collection Guides
| Specimen | Collection Type – Click on the image to download | GUIDE |
| Blood | Capillary Finger Collection |  |
| Capillary Heel Collection | |
|
| Centrifuge and Aliquot | ||
| Lead Screen Filter Paper Instructions | |
|
| Cytology | Pap Collection Instructions (April 2022) | |
| Fine Needle Aspirate (FNA) (April 2022) | |
|
| Microbiology | Nasal/Nasopharyngeal (NP) Collection | |
| Throat Swab Collection | |
|
| Urine | Urine Vacutainer | |
| Urine Preservative | |
|
| 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