Failure to Identify Excessive Acetaminophen Dosing During Medication Regimen Review
Summary
The deficiency involves the facility’s failure to ensure an accurate monthly Medication Regimen Review (MRR) by the consultant pharmacist for one resident, resulting in multiple active orders for acetaminophen-containing medications that were not identified or reported as a medication irregularity. The resident was admitted with diagnoses including spinal stenosis, diabetes mellitus, spinal fusion, low back pain, muscle weakness, and difficulty walking, and had intact cognition and partial independence in activities of daily living. The facility’s policy required the consultant pharmacist to review the medical record to prevent, identify, report, and resolve medication-related problems and irregularities. Record review showed that the resident had several concurrent physician orders for acetaminophen. One order directed acetaminophen 325 mg, two tablets by mouth every six hours as needed for mild pain, with instructions not to exceed 3 g of acetaminophen in 24 hours from all sources. A second order directed acetaminophen 500 mg, two tablets by mouth every eight hours routinely for pain, also with a maximum of 3 g per 24 hours from all sources. A third order directed hydrocodone-acetaminophen 5 mg-325 mg, one tablet by mouth every four hours as needed for moderate pain, again with instructions not to exceed 3 g of acetaminophen per day. MAR reviews for January through April showed the resident routinely received acetaminophen 500 mg, two tablets three times daily (totaling 3,000 mg per day), and also received hydrocodone-acetaminophen on multiple days across these months, resulting in total daily acetaminophen doses that exceeded 3,000 mg per day. Despite these concurrent orders and documented administrations, the MRRs dated in late January, mid-February, and late March each indicated that the consultant pharmacist reviewed the medications and found no recommendations were needed. In interview, the consultant pharmacist stated she believed nursing staff would withhold the routine acetaminophen dose when a PRN acetaminophen-containing medication was given, based on the “not to exceed 3 g per day” instruction, and the DON stated that during the MRR process the pharmacist should have identified and notified the facility that the resident was at risk of exceeding 3 g of acetaminophen per day due to multiple pain management orders.
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