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The previous date for oxygen equipment. This date applies to claim lines that have a backdated initial date indicator (DMERC_OXGN_INITL_DT_CD = B).
This field is not populated before 2023. This is to support the elimination of the Certificate of Medical Necessity (CMN).
Source: NCH
This field is not populated before 2023. This is to support the elimination of the Certificate of Medical Necessity (CMN).
Source: NCH