An EVV audit does not have to be stressful. When your visit records are clean, consistent, and complete, an audit becomes a formality instead of a fire drill. The agencies that struggle are usually the ones that treat audit prep as a one-time scramble. The agencies that pass are the ones that stay ready all year with a few simple habits.
An EVV audit is a review of your Electronic Visit Verification records to confirm that every billed home care visit actually happened the way it was documented. Auditors compare your EVV data against your claims, your care plans, and your caregiver records, and they flag anything that does not line up. This guide breaks down exactly what they look for and gives you a checklist to keep your agency audit-ready every month, not just when a notice arrives.
Why EVV audits happen
Electronic Visit Verification exists because of Section 12006 of the 21st Century Cures Act, which requires state Medicaid programs to electronically verify in-home personal care services (the deadline landed in 2020, extended to 2021 for most states) and home health services (2023). The goal is simple: prove that a billed visit really took place.
That makes your EVV record the baseline auditors measure every claim against. When the EVV data and the billed claim do not match, that mismatch is usually the single most common trigger for an audit finding. States that do not enforce EVV face reductions to their federal Medicaid matching funds, so the pressure flows downhill to agencies through Managed Care Organizations and state Medicaid reviews.
The six data elements auditors start with
Every Medicaid-funded visit subject to EVV must capture six data elements. Auditors confirm all six are present, accurate, and consistent across your systems:
- Type of service performed
- Individual receiving the service
- Individual providing the service (the caregiver)
- Date of the service
- Location of service delivery
- Time the service begins and ends
If any of these is missing, edited without justification, or contradicts the claim you submitted, it becomes a potential finding. Everything in the checklist below flows from keeping these six clean.
What auditors look for (the red flags)
Beyond the six elements, auditors watch for patterns that suggest records were reconstructed rather than captured in real time. The most common red flags:
- EVV-to-claim mismatches: billed hours or dates that do not match the verified visit.
- High manual edit rates: a large share of visits corrected by hand after the fact. Some states, including New Jersey and Pennsylvania, flag agencies whose manually edited records climb past roughly 15 percent, and a healthy internal target is well under that.
- High exception or slippage rates: missed clock-ins, missed clock-outs, and GPS mismatches. MCOs track this closely, and slippage above about 1 percent can put your preferred provider status at risk.
- Backdated visits: entries added days after the visit was delivered.
- Location mismatches: GPS coordinates that do not match the client’s service address.
- Improbable patterns: unusually long shifts, clusters of identical visit durations, or a caregiver logging visits for a client they are not authorized to serve.
- Records that never reached the state aggregator: your internal dashboard can look complete while the data your state and CMS can actually see is missing. This is the gap agencies discover too late.
- Missing supporting documentation: progress notes, signed visit records, or care plan alignment. Remember that EVV verifies that a visit happened, while progress notes document what happened. Auditors want both.
The EVV audit-readiness checklist
Work through these five areas monthly and an audit becomes routine.
1. EVV data quality
- Confirm all six data elements are captured on every visit.
- Run a visit-level exception report for the last 30 days and clear open items.
- Review your manual edit percentage and investigate any caregiver or client with a repeating pattern.
- Check GPS or location accuracy against each client’s service address.
2. Claims alignment
- Reconcile EVV records against submitted claims before billing, not after.
- Confirm billed units stay within the service authorization. If EVV shows six hours but the authorization covers four, you want to catch it before the claim goes out.
- Verify service codes match the type of service actually delivered.
3. Aggregator transmission
- Confirm your EVV vendor is connected to your state’s aggregator and transmitting in the required format.
- Spot-check that visits marked complete internally actually arrived at the aggregator.
- Keep a record of transmission confirmations so you can prove the data reached the state.
4. Documentation and care plans
- Keep progress notes for every visit alongside the EVV record.
- Confirm services delivered match the client’s person-centered care plan.
- Keep signed visit records and timesheets consistent with EVV and payroll.
5. Caregiver credentials and governance
- Verify background checks, licenses, and required training are current for every active caregiver.
- Limit who can perform manual edits with role-based permissions.
- Require a documented reason and supervisor approval for every manual correction, so each edit leaves a clean audit trail.
Staying ready all year, not just at audit time
The agencies that never sweat an audit share one habit: someone reviews the compliance dashboard on a regular cadence and acts on it early. A simple rhythm works well.
Daily, a coordinator scans exceptions (missed clock-ins, GPS mismatches, time discrepancies) and resolves them while the details are fresh. Weekly, a supervisor reviews manual edit trends and calls any caregiver with repeat exceptions before a pattern becomes a corrective action plan. Monthly, someone runs the five-part checklist above and files the results. Handled this way, corrections take minutes during the week instead of days during the billing cycle, and your end-of-week exception report stays short.
EVV compliance is not just an IT task. Your scheduler, your trainer, and your quality lead all touch data that ends up in a compliance report, so the goal is alignment across the team, supported by tools that surface problems in real time.
How the right software keeps you audit-ready
Passing an EVV audit comes down to capturing clean data at the point of care and catching exceptions before they reach your billing cycle. That is far easier with a mobile-first platform built for care delivered in the field: GPS-verified clock-in and clock-out, offline capture for low-connectivity homes, real-time exception reporting, and permission controls that keep manual edits accountable.
CompanyOn brings scheduling, visit verification, secure documentation, and billing into one platform built for home care agencies, trusted by 1K+ practices across Canada & US with a 4.8/5 average rating, and backed by HIPAA and PIPEDA-aligned security with SSL protection. If EVV is central to your operation, see how it fits your workflow on our home care agency EVV solutions page.
Frequently asked questions
What triggers an EVV audit? Most audit findings start with a mismatch between the EVV record and the billed claim. High manual edit rates, GPS or location discrepancies, backdated visits, and missing visits are also common triggers.
What are the six EVV data elements? Type of service, individual receiving the service, individual providing the service, date of service, location of service, and the time the service begins and ends. Every Medicaid-funded visit subject to EVV must capture all six.
How many manual edits are too many? There is no single national number, but manual edits draw scrutiny as they climb. Some states flag agencies once manually edited records pass roughly 15 percent, and strong agencies aim for a much lower internal rate with documented reasons and supervisor approval for each edit.
Do EVV records replace progress notes? No. EVV verifies that a visit happened. Progress notes document what happened during the visit. Auditors expect both, and removing progress notes because you have EVV creates a documentation gap.
How far back can an EVV audit go? It varies by state and payer, so keep complete, consistent records available for the full retention period your state Medicaid program and MCOs require, and confirm your data is retrievable across systems.
Turn audit season into a non-event
The best time to get audit-ready is before the notice arrives. Book a demo to see how CompanyOn keeps your EVV data clean and your agency audit-ready year-round, or start your free 14-day trial and run it on your own caseload.
