Reason Code 31398

An occurrence span code 74 or 76 is present on the claim; however, the non-covered days field is not greater than “0” and TOB is not 321–324, 331–334, 327, 32I, 337, 338, 33I or 329 for dates of service 10/01/00 or greater.

When reporting occurrence span code 74 (non-covered level of care/leave of absence dates) or 76 (patient liability), the provider is reflecting a non-covered period of care and should have non-covered days reported in form locator 8 greater than one.
CMS Publication 100-04, chapter 3 (PDF, 2.6 MB), section 40.2.6 - Leave of Absence.

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