General Information, Main lab

Update: Spectrum Health Butterworth Laboratory Hours of Operation and After Hours Blood Collection Instructions

Effective immediately, the outpatient laboratory (“draw station”) in Butterworth Hospital will have new hours of operation.

Spectrum Health Butterworth Laboratory
100 Michigan St NE, Grand Rapids, MI 49503

New Hours: Monday to Thursday, 7 a.m. to 5 p.m.; Friday, 7 a.m. to 3 p.m.; Closed Saturday and Sunday and all major holidays

Please note: If a patient should need their labs drawn on a Saturday morning, please use any of our other draw stations that are open on Saturday mornings, see list below. This includes patients who require a STAT bili order. If a patient comes into the draw station at Butterworth on a Saturday morning to collect a test, they will be asked to go to another open location. The STAT afterhours process at Butterworth is only for hours when draw stations are not open at other locations, see list below. (Usually after hours is after 5 pm Monday thru Thursday, after 3 pm Friday, after 11 am Saturday and on Sundays)

Locations with Saturday Hours 7 am – 11 am (as of 7/20/2021)

Other locations with Saturday Hours

For a list of all lab sites, their address and hours, please refer to

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