P13 (344)    ADJUSTMENT REASON (161.91)

• DESCRIPTION:   

  Payment reduced or denied based on workers' compensation jurisdictional regulations or payment policies, use only if no other code is applicable. Note: If adjustment is at the Claim Level, the payer must send and the provider should refer to the
  835 Insurance Policy Number Segment (Loop 2100 Other Claim Related Information REF qualifier 'IG') if the jurisdictional regulation applies. If adjustment is at the Line Level, the payer must send and the provider should refer to the 835 Health
  care Policy Identification Segment (loop 2110 Service Payment information REF) if the regulations apply. To be used for Workers' Compensation only.
  

care Policy Identification Segment (loop 2110 Service Payment information REF) if the regulations apply. To be used for Workers' Compensation only.