MEDPAR Warning Indicators Code Table

      Warning indicator 1 ('adjustment indicator' derived
      from the presence of query code values noted below
      on any of the claim records included in the analysis):
      0 = No adjustment (no query code = 0 or 5)
      1 = Credit adjustment (query code = 0)
      2 = Debit adjustment (query code = 5)
      3 = Credit and debit adjustment (both query code = 0
      and 5)

      Warning indicator 2 ('error condition' derived from
      checking the edit code trailer on the final action
      claims(s) that comprise the stay):
      0 = No error
      1 = Error condition

      Warning indicator 3 ('reimbursement/total charge
      indicator' derived after summing up fields on the
      final action claim(s) that comprise the stay; checks
      resulting Medicare payment amount (commonly called
      reimbursement), total charge amount, as well as
      beneificiary primary payer amount and utilization day
      count):

      0 = Medicare payment amount and total charge amount >
      zeroes
      1 = Medicare payment amount and total charge amount <
      zeroes
      2 = Medicare payment amount is a credit
      3 = Total charge amount is a credit
      4 = Medicare payment amount, total charge amount,
      beneficiary primary payer claim payment amount,
      and utilization day count = zeroes

      Warning indicator 4 ('utilization day/los day indicator'
      derived after summing up fields on the final action
      claim(s) that comprise the stay; compares resulting
      utilization day count and length-of-stay count):

      0 = Utilization day count = los day count
      1 = Utilization day count < los day count
      2 = Utilization day count > los day count

      warning indicator 5 ('single/multiple claim indicator'
      derived when the stay record is created by checking
      the number of final action claims that comprise the
      stay):

      0 = Stay includes a single final action claim
      1 = Stay includes multiple final action claims
      2 = Stay includes multiple final action claims and
      beneficiary is still a patient (applicable to
      SNF stays only)

      Warning indicator 6 ('intermediary cancel indicator'
      derived from the presence of the values noted below
      for intermediary claim action code and intermediary-
      requested claim cancel reason code on any of the claims
      included in the analysis.   If multiple claims contain
      these values, latest claim is used.  If both specified
      action code and cancel reason code are present, cancel
      reason code takes priority.):

      0 = No cancel action
      1 = Cancel action by credit adjustment (action code =
      (2 or 6)
      2 = Cancel action only (action code = 4)
      3 = Coverage transfer (cancel reason code = C)
      4 = Plan transfer (cancel reason code = P)
      5 = Scramble (cancel reason code = S)
      6 = Duplicate billing (cancel reason code = D)
      7 = Other (cancel reason code = H)
      8 = Combining 2 spells or 2 beneficiary records
      (cancel reason code = L)

      Warning indicator 7 ('state/county numeric indicator'
      derived from checking the format of the beneficiary
      residence SSA state code and beneficiary residence
      county code on the final action claim(s) that comprise
      the stay; determine if in numeric range):

      0 = State and county codes are valid numeric values
      1 = State and county codes are not in numeric range
      2 = State code is not in numeric range
      3 = County code is not in numeric range

      Warning indicator 8 ('duplicate indicator' derived from
      the presence of two claim records with the same claim
      number, admission date, provider number, claim from/
      thru date, HCFA process date and query code; death/
      admission date indicator derived by comparing the
      admission date on the final claim(s) that comprise the
      stay to the beneficiary death date):

      0 = Do duplicate record
      1 = Duplicate record
      2 = Death date < admission date
      3 = Death date < admission date and duplicate record

      Warning indicator 9 ('pass-thru indicator' derived from
      the presence of a pass thru per diem amount on the final
      action claim(s) that comprise the stay):

      0 = No pass thru per diem present (Non-PPS)
      1 = Pass thru per diem present on final action claim

      Warning indicator 10 (eff 3/96 update) (rugs indicator
      applicable to 'nhcmq rugs III SNF demo' stay records
      derived from the presence of 9,000 series revenue
      center codes.)

      0 = No rugs 9,000 series revenue center codes
      2 = Rugs 9,000 series revenue center code(s) with
      service date 1/1/96 or later
      3 = Rugs 9,000 series revenue center code(s) with
      service date 7/1/96 or later
      4 = Rugs 9,000 series revenue center code(s) with
      service date 1/1/97 or later

      Warning indicators 11 - 17 (not yet assigned; zeroes
      will be present)