W0455

FISS Narrative:
The fourth diagnosis code is invalid. Please refer to the latest ICD-10-CM coding book to validate the code. Ensure that the statement covered dates fall within the effective date for the ICD-10-CM code you are using.

Explanation and Suggestion:

  • This reason code indicates that the fourth diagnosis code (the code on your screen at #4 among the diagnosis codes on claim Page 03) for the date of service billed does not match a valid code on the FISS ICD-10-CM code file (menu option #15)
  • Check this code against the file and correct it accordingly

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