text: ﻿SELECT DISTINCT SOURCE_CODE, TARGET_CONCEPT_ID
  FROM SOURCE_TO_CONCEPT_MAP
  WHERE SOURCE_VOCABULARY_ID IN (4, 5) AND TARGET_VOCABULARY_ID IN (4, 5) 
  	AND PRIMARY_MAP = 'Y'
  	AND (INVALID_REASON IS NULL or INVALID_REASON = '')
  	AND GETDATE() BETWEEN VALID_START_DATE and VALID_END_DATE