NAME: First Claim Diagnosis E Code DESCRIPTION: The code used to identify the 1st external cause of injury, poisoning, or other adverse effect. This diagnosis E code is also stored as the 1st occurrence of the diagnosis E code trailer. SHORT NAME: FST_DGNS_E_CD LONG NAME: FST_DGNS_E_CD TYPE: CHAR LENGTH: 7 SOURCE: CWF CODE VALUES: - COMMENT: Prior to version 'J', this field was named: CLM_DGNS_E_CD. Effective with Version 'J', this field has been expanded from 5 bytes to 7 bytes to accommodate the future implementation of ICD-10. ICD-10 is not scheduled for implementation until 10/2015.