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CARC Code Reference

CARC P26: Payment adjusted based on Voluntary Provider network (VPN). Usage: If adjustment is at the Claim Level, the payer must send and the provider should refer to the 835 Class of Contract Code Identification Segment (Loop 2100 Other Claim Related Information REF). If adjustment is at the Line Level, the payer must send and the provider should refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment information REF) if the regulations apply. To be used for Property and Casualty only. (Use only with Group Code CO).

By Mindy Corbett, CSPO, CPC, CPB, CPPM  ·  Last updated: October 2026

Payment adjusted based on Voluntary Provider network (VPN). Usage: If adjustment is at the Claim Level, the payer must send and the provider should refer to the 835 Class of Contract Code Identification Segment (Loop 2100 Other Claim Related Information REF). If adjustment is at the Line Level, the payer must send and the provider should refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment information REF) if the regulations apply. To be used for Property and Casualty only. (Use only with Group Code CO).

Group code CO
Category P&C Guidelines
Risk level Medium
Appealable Review Required

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