Effective October 18, 2026
Compliance & Safety, Corewell Health System
Browsing Category
General Information
This monthly bulletin includes updates about insurance payor nuances, diagnosis coding reminders, and other helpful tips and information regarding all things laboratory billing.
Lab Billing Brief-A1c
If you have any questions, please reach out to your laboratory account manager.
Corewell Health System, General Information, Outreach/Outpatient
Standing Order Clarification for As Needed Orders
Effective Date: Immediate
Key Update
The laboratory no longer accepts standing orders with a frequency ordered as “PRN,” “As Needed,” or “Indefinite.” Standing orders must include either:
• A frequency (interval) and a count (e.g., Weekly, 8 times), or
• A frequency (interval) and a duration (e.g., Weekly for 2 months)
• A frequency (interval) and a duration (e.g., Weekly for 2 months)
These requirements provide clear guidance to support medical necessity, prevent misuse, and ensure compliance with federal regulations. This guidance aligns with requirements established by the Office of Inspector General (OIG). (Federal Register/Vol. 63, No. 163/Monday, August 24, 1998. 98-22559.pdf)
As a reminder, in observance of the Independence Day holiday, all Corewell Health Laboratory Patient Service Centers (drawstations) will be closed on Friday, July 3, 2026.
Per our holiday schedule, when a holiday falls on a Saturday, it is observed on the preceding Friday. Therefore, our drawstations will be closed on Friday, July 3, as the observed holiday, and will remain closed on Saturday, July 4.
The following information was updated in the Lab Catalog.
All changes are for Corewell Health Laboratories in Southwest and West Michigan. For Laboratories in Southeast Michigan, please visit:corewellhealth.org/labcatalog and navigate to the Southeast Michigan site.
ffective June 2, 2026, Paraneoplastic Autoantibody Evaluation will no longer be offered by Mayo. The recommended alternate test will be the Encephalitis Antibody Evaluation performed at Quest.
Due to the short notice from Mayo, the new Quest test will not be orderable so will need to be ordered as a Reference Lab Sendout for Miscellaneous Test.
Corewell Health System, Diagnostic Lab of Michigan, General Information
Client Letter Update: Diagnostic Lab of Michigan
Corewell Health and Quest Diagnostics recently distributed a client letter with updates on Diagnostic Lab of Michigan and ongoing integration efforts.
Click here to read the full letter
Click here to read the full letter
This monthly bulletin includes updates about insurance payor nuances, diagnosis coding reminders, and other helpful tips and information regarding all things laboratory billing.
If you have any questions, please reach out to your laboratory account manager.
When ordering a Pre‑surgical Type & Screen, all required order questions must be completed accurately. These answers drive specimen routing, collection timing, and blood bank workflow in Epic.
Epic uses your responses to ensure testing is performed by the correct blood bank at the correct time. Incomplete or incorrect information can result in misrouted specimens, delays, rework, or redraws.