Table 2. Time period within which the test should be ordered after alert override.

	Time period
Creatine kinase	12 weeks
Cyclosporine	8 weeks
Digoxin	2 weeks
HbA1c	12 weeks
Lithium	12 weeks
Methotrexate	3 days
PT-INR (Prothrombin Time - International Normalized Ratio)	3 weeks
Respiratory status	4 weeks
Sirolimus	2 weeks
Tacrolimus	1 week