Medicare Claims Processing Manual (Pub. 100-04), Ch. 10 § 30.2
CWF Response to Inquiry
30.2 - CWF Response to Inquiry
(Rev. 10758; Issued: 05-11-21; Effective: 01-01-22; Implementation: 08-11-21)
CWF will return information on the two periods of care in the CWF episode file closest
to the date the HHA or other provider entered in the “applicable date” field. If a date is
not specified, information on the two most recent periods of care will be returned. See
Chapter 31 for complete data sets returned to specific provider types.