Research Letter

Early Morning Blood Draw Timing and Frequency Among Hospitalized Patients

JAMA Network Open 10.1001/jamanetworkopen.2026.0966

March 11, 2026 at 11:00 AM EDT

Read the full article

This cohort study evaluates the frequency of early morning blood draws in 18 hospitals in Ontario, Canada, and assesses variability in phlebotomy practices between institutions and over time.

Corresponding Author: Fahad Razak, MD, MSc, Department of Medicine, University of Toronto, 209 Victoria St, 8th Floor, Toronto, ON M5B 1X3, Canada (fahad.razak@unityhealth.to).

Link to the article in your story

We encourage you to link out to this article in your story using the link below. It includes an access token that will give free access to the article for your readers up to one year after publication. (The link will be live after the article publishes and embargo is lifted.)

Please see the article for additional information, including full author list, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

Need more information? Contact us.

Editor's Picks