Wiley, Pharmacotherapy: The Journal of Human Pharmacology and Drug Therapy, 8(34), p. 826-835, 2014
DOI: 10.1002/phar.1452
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The Medication Regimen Complexity Index (MRCI) is a 65-item instrument that can be used to quantify medication regimen complexity at the patient level, capturing all prescribed and over-the-counter medications. Although the MRCI has been used in several studies, the narrow scope of the initial validation limits application at a population or clinical practice level.