Encrypted Case Number

STATE-ASSIGNED NUMBER WHICH UNIQUELY IDENTIFIES THE MEDICAID CASE TO WHICH THE ENROLLEE BELONGS ON THE LAST DAY OF THE FEDERAL FISCAL YEAR.

USER NOTE: THIS DATA ELEMENT MAY INCLUDE ALPHA CHARACTERS, BUT IT DOES NOT NECESSARILY LINK ALL FAMILY MEMBERS TOGETHER. MAY CHANGE OVER TIME. THE DEFINITION AND AVAILABILITY VARY ACROSS STATES. THERE ARE SINGLE-PERSON CASES (MOSTLY AGED AND BLIND/DISABLED) AND MULTI-PERSON CASES (MOSTLY TANF) IN WHICH EACH MEMBER OF THE CASE HAS THE SAME CASE NUMBER, BUT A UNIQUE MSIS IDENTIFICATION NUMBER. THIS MSIS DATA ELEMENT IS NOT AVAILABLE BEFORE 10/98.

USER NOTE: WHEN SOMEONE HAS CLAIMS BUT NO ELIGIBILITY INFORMATION, THIS DATA ELEMENT IS BLANK-FILLED.

NOTE: IN MAX 2008, A CLARIFICATION NOTE WAS ADDED ABOUT THE VALUE ASSIGNED WHEN SOMEONE HAS CLAIMS BUT NO ELIGIBILITY INFORMATION.