Services at North Colorado Medical Center  

Facts About Your Blood Donation


Do you know your blood Type?
Each unit of blood collected is tested to determine "ABO" type and "Rh type". While all types are needed, individuals with type O blood are called universal donors as their blood can be given to almost anyone. Similarly, Rh-negative blood can also be given to patients who are Rh-negative or Rh-positive.

Blood Type Percentage of Population (approximate)

Blood Type Percent of
Who can use it?


37 percent

O+, A+, AB+


6 percent

All blood types


34 percent

A+, AB+


6 percent

A+, A-, AB+, AB-


10 percent

B+, AB+


2 percent

B+, B-, AB+, AB-


4 percent



1 percent


Blood Tests
To ensure the safety of the blood supply, we are required by the federal government to thoroughly test each unit for the presence of any sign of infectious disease. If testing shows a potential problem, we will contact you by phone or letter to let you know what you need to do. Blood testing positive for infectious disease will not be used for transfusion.

Please do not attempt to donate blood so that you can be tested for AIDS or any other infectious disease.  If you are in need of testing for whatever reason, please contact the Weld County Department of Health and Environment.

What products can be made from my donation?
Whole blood donations can be processed to make at least three different blood products, potentially providing life-saving help to three different patients. If you are interested in making an even bigger difference in someone's life, consider donating platelets.

Where is the blood used?
The vast majority of the blood collected by the NCMC Donor Center is used for patients in Northern Colorado.

North Colorado Medical Center
1801 16th St.
Greeley, CO 80631
(970) 810-4121
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