4. Do not order CT of the head for patients with mild traumatic head injury who do not meet New Orleans Criteria or Canadian CT Head Rule.
5. Do not order coagulation studies for patients without hemorrhage or suspected coagulopathy (e.g., with anticoagulation therapy, clinical coagulopathy).
Schuur says the Partners effort is an attempt to change a culture of medicine in the U.S. which says "we never want to miss a single diagnosis, even when knowing the diagnosis doesn't affect how the patient is cared for and may not result in any different medicine or different decision about whether to operate."
While it seems that finding a diagnosis should always be a good thing for doctors to do, "always searching for a diagnosis can lead to harm, for example in the use of CT scans, if we do them on patients who do not have fractures requiring some sort of intervention."