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The North Colorado Medical Center (NCMC) Laboratory represents a team of highly qualified health care professionals dedicated to producing accurate and timely laboratory results.  By providing excellent service, the laboratory assists other health care professionals in the delivery of quality patient care.  Summit Pathology, a group of board-certified anatomic and clinical pathologists, lead the laboratory staff of approximately 70 clinical and business office staff.


The NCMC laboratory is open 24 hours a day, 7 days a week, and performs the majority of tests in-house.  The remaining tests, consisting primarily of infrequently ordered tests, are sent to NCMC’s reference laboratory, Mayo Medical Laboratories.


NCMC has three locations for Outpatient Laboratory Services:


Horizon Laboratory at Summit View Medical Commons

2001 70th Avenue – Greeley, CO  80634

Phone:  970-810-2500


Monday through Friday:  7am to 5pm

Saturday:  7am to noon


Horizon Laboratory at NCFM - North Colorado Family Medicine

1600 23rd Avenue – Greeley, CO  80631

Phone:  970-810-4162


Monday through Friday:  7:30 a.m. to 4:30 p.m.

Closed: 12:30pm - 1:30pm


North Colorado Medical Center Laboratory

1801 16th Street – Greeley, CO  80631

Phone:  970-810-6400


Donor Center

NCMC has a full service Blood Donor Center that processes volunteer collections for use by patients in the local community.  For more information call the Blood Donor Center at 970-810-6100 or go to the NCMC website.


Direct Access Testing

For more information visit Horizon Laboratory homepage.