An INR of 6.5 is obtained on a patient taking warfarin. All quality control is acceptable. What should be done?
a. Report the result.
b. Report only the PT in seconds and ignore the INR.
c. Send an e-mail to the healthcare provider.
d. Call the healthcare provider immediately.
ANS: D
The clinical laboratory scientist must immediately call the healthcare provider because this is a critical INR result and he or she must be able to intervene with appropriate patient care. The call must be documented according to the protocol established by clinical scientists in the laboratory. This is essential to prevent a bad outcome for the patient.
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