State EVV guides
How electronic visit verification works in each state: the aggregator, approved vendors, deadlines and reason codes.
- EVV in Georgia: Aggregator, Approved Vendors, Reason Codes and Deadlines (2026) Georgia Medicaid EVV explained for home care agencies: the Netsmart Mobile Caregiver+ state system, the rules for alternate vendors, which services need EVV, how visits are rounded, reason codes and how to fix a denied claim.
- EVV in Texas: Aggregator, Approved Vendors, Reason Codes and Deadlines (2026) Texas Medicaid EVV explained for home care agencies: the TMHP EVV Aggregator, HHAeXchange or an approved proprietary system, which services need EVV, rounding, the 95-day visit maintenance window, reason codes and how to fix a denied claim.
- EVV in Hawaii: Aggregator, Approved Vendors, Reason Codes and Deadlines (2026) Hawaii Medicaid EVV explained for home care agencies: the Sandata state system, open model, how alternate vendors certify, which services need EVV, key dates, reason codes and how to fix a denied claim.
- EVV in Idaho: Aggregator, Approved Vendors, Reason Codes and Deadlines (2026) Idaho Medicaid EVV explained for home care agencies: the provider-choice model, the Sandata aggregator, which services need EVV, how visits are rounded, reason codes and how to fix a denied claim.
- EVV in Maryland: Aggregator, Approved Vendors, Reason Codes and Deadlines (2026) Maryland Medicaid EVV explained for home care agencies: the closed LTSSMaryland EVV system (ISAS), the mobile app requirement, which programs need EVV, reason codes and how to fix a visit before billing.
- EVV in Montana: Aggregator, Approved Vendors, Reason Codes and Deadlines (2026) Montana Medicaid EVV explained for home care agencies: the Netsmart Mobile Caregiver+ state system, open vendor model, which services need EVV, the July 2024 compliance date, reason codes and how to fix a denied claim.
- EVV in New Hampshire: Aggregator, Approved Vendors, Reason Codes and Deadlines (2026) New Hampshire Medicaid EVV explained for home care agencies: the AuthentiCare (Fiserv) state system and aggregator, open model, third-party attestation, which services need EVV, rounding, reason codes and how to fix a denied claim.
- EVV in Oklahoma: Aggregator, Approved Vendors, Reason Codes and Deadlines (2026) Oklahoma Medicaid EVV explained for home care agencies: AuthentiCare for fee-for-service, HHAeXchange for SoonerSelect plans, the planned move to Acumen, open model, rounding, reason codes and how to fix a denied claim.
- EVV in Virginia: Aggregator, Approved Vendors, Reason Codes and Deadlines (2026) Virginia Medicaid EVV explained for home care agencies: provider-choice model with EVV data sent on the claim, which services need EVV, phone check-in rules, the October 2026 live-in change, reason codes and how to fix a denied claim.
- EVV in Wisconsin: Aggregator, Approved Vendors, Reason Codes and Deadlines (2026) Wisconsin Medicaid EVV explained for home care agencies: the Sandata state system and aggregator, alternate EVV certification, which services need EVV, hard launch dates, reason codes and how to fix a denied claim.