The Stakes of MAR Errors
Medication errors in residential IDD settings carry risks that go far beyond audit findings. Individuals with intellectual and developmental disabilities often take multiple medications with complex dosing schedules, and many cannot self-report symptoms of adverse reactions or missed doses. This makes accurate MAR documentation both a safety imperative and a compliance requirement.
State surveys consistently identify MAR deficiencies as one of the top three findings in IDD residential settings. These findings can trigger immediate jeopardy determinations, corrective action plans, increased monitoring, and in severe cases, loss of certification or licensure.
The good news is that most MAR errors are preventable. They stem from training gaps, unclear processes, and paper-based systems that make it easy to forget, skip, or incorrectly record administrations. Understanding the most common mistakes is the first step toward eliminating them.
The 8 Most Common MAR Mistakes
1. Blank Spaces on the MAR
A blank space on a MAR is the single most common audit finding. Every scheduled medication must show documentation for every administration time, every day. A blank space means one of two things to an auditor: either the medication was not given, or it was given but not documented. Neither is acceptable.
Fix: If a medication is not administered, document the reason using your organization's standard codes (e.g., "R" for refused, "H" for hospitalized, "D" for discontinued). Never leave a space blank. If a staff member forgets to document, they should complete a late entry with an explanation as soon as the omission is discovered.
2. Wrong Time Documentation
Documenting medication administration at times that do not match the prescribed schedule or documenting the wrong time entirely. This includes "batch documenting" — filling in the entire day's MAR at the end of the shift rather than at the time of administration.
Fix: Document each administration at the time it occurs, not later. If your system uses time windows (e.g., "8 AM +/- 1 hour"), ensure staff understand and follow them. For medications that must be given at exact times (such as seizure medications or insulin), document the actual time administered, not just the scheduled time.
3. Incomplete PRN Documentation
PRN (as-needed) medications have higher documentation requirements than scheduled medications. Simply noting that a PRN was given is not sufficient. Auditors expect to see the reason for administration, the individual's symptoms that prompted the PRN, the time administered, and a follow-up note documenting the medication's effectiveness.
Fix: Create a standard PRN documentation template that includes: presenting symptoms or behavior, medication given (name, dose, route), time administered, effectiveness check (typically 30-60 minutes later), and the outcome (symptoms resolved, partially resolved, physician contacted, etc.).
4. Medication List Discrepancies
The MAR must match the current physician orders exactly. Discrepancies between what the MAR shows and what the pharmacy label says, what the physician ordered, or what is in the facesheet create immediate audit findings. This commonly occurs when medication changes happen mid-month and the MAR is not updated promptly.
Fix: Implement a medication reconciliation process that triggers whenever a physician changes medications. The MAR should be updated within 24 hours of any medication change, with documentation of who made the change, what changed, and the physician order number. Conduct monthly medication reconciliation comparing the MAR to pharmacy labels and physician orders.
5. Missing Staff Credentials
Staff administering medications must have current medication administration certification (AMAP, MAP, or your state's equivalent). The MAR must identify which certified staff member administered each medication. Initials alone are not sufficient without a corresponding signature log.
Fix: Maintain a current signature log that maps each staff member's initials to their full name and certification status. Verify medication administration certifications are current before allowing staff to administer or document. Electronic MAR systems can enforce this automatically by requiring authenticated sign-in.
6. Improper Error Corrections
When a documentation error occurs on a paper MAR, the correction method matters. Using white-out, writing over entries, or making entries illegible is a compliance violation. Corrected entries must remain readable so auditors can see what the original entry was.
Fix: For paper MARs, draw a single line through the error, write the correct entry, initial, date, and briefly note the reason for correction. Electronic systems should maintain an audit trail that preserves original entries while clearly showing the correction.
7. Failure to Document Refusals Properly
When an individual refuses a medication, staff must document more than just "refused." The documentation should include the time of attempted administration, the individual's stated reason for refusal (if known), efforts made to offer the medication again, who was notified (supervisor, nurse, physician), and any impact of the missed dose.
Fix: Train staff that medication refusal requires a follow-up note, not just a code on the MAR. Create a refusal protocol that includes notification requirements based on the type of medication refused (critical medications like seizure meds or insulin require immediate physician notification).
8. No Medication Count Documentation
Controlled substances require count documentation at every shift change. Two staff members must count the medication together and both must sign. Discrepancies must be investigated and documented immediately.
Fix: Implement a shift-change count protocol for all controlled substances. Use a standardized count sheet that includes medication name, expected count, actual count, signatures of both counting staff, and a variance section for any discrepancies.
Building a Compliant MAR System
The most effective way to reduce MAR errors is to make compliance the default. This means building systems where staff cannot easily skip required documentation steps.
- Required fields: Every administration entry must require date, time, staff ID, and confirmation before it can be saved
- PRN triggers: When a PRN medication is documented, automatically prompt for reason, symptoms, and schedule a follow-up effectiveness check
- Overdue alerts: Flag medications that have not been documented within the administration window
- Reconciliation reminders: Monthly prompts to compare the MAR against current physician orders and pharmacy labels
- Training integration: New staff complete MAR documentation training before receiving system access
When Errors Happen: Response Protocol
Despite best efforts, medication errors will occasionally occur. Having a clear response protocol minimizes harm and demonstrates to auditors that your organization takes medication safety seriously.
- Assess the individual — Check vital signs and observe for adverse reactions
- Notify the prescribing physician — Provide the medication name, dose, error type, and individual's current status
- Contact Poison Control if indicated (1-800-222-1222)
- Notify the supervisor and follow your incident reporting procedure
- Document the error on the MAR and in an incident report with complete details
- Monitor the individual for the timeframe recommended by the physician
- Conduct a root cause analysis to prevent recurrence