Apr 26, 2022 - Format . ... Editing Logic . ...... Specifications Document is to explain how the MAPP HHTS files interact ...... Related to Referral (field #18) which is any free text response ..... 2656. C. HH/CMA. MMDDYYYY,. Numeric. 109 Segment End Date Reason ...... dd) Denial Reason Code Description (2) (field #63).