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Variable: IDR-DIAG-CODE

Diagnosis Code - Primary and Secondary

Source System Definition

For the H99YB338 and H99YBID1 copybooks, this is the number of the diagnosis code(s) used on the service for which that line item was performed. The primary and secondary fields denote the ICD-9 diagnosis codes in the Diagnosis fields numbers 1 and 2 of 4 (the first and second Diagnosis Codes listed by the provider), at the claim level.

Other Info

  • Source System: MCS
  • Source Field: Diagnosis Code - Primary and Secondary
  • Version: 0.2

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