ELG.005.083

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TMSIS Dataguide

Medicaid.gov

Version 3.27.0

MSIS-CASE-NUM

Data Element

DE Number

ELG083

System DE Number

ELG.005.083

File Name

File Segment Number

File Segment Name

ELIGIBILITY-DETERMINANTS

Last updated

Overview Valid Values Related Rules Related DQ Measures Other Instances

Definition	The state-assigned number which uniquely identifies the Medicaid case to which the enrollee belongs. The definition of a case varies. There are single-person cases (mostly aged and blind/disabled) and multi-person cases (mostly TANF) in which all members of the case have the same case number, but a unique identification number. A warning for longitudinal research efforts: a case numbers associated with an individual may change over time.
Size	X(12)
FLF Start Position	42
FLF Stop Position	53
Segment Key Field Identifier	3
Coding Requirements	1. Value must not contain a pipe symbol 2. Value must be 12 characters or less 3. Mandatory

Valid Value Code Set	Valid Value Code	Valid Value Name	Valid Value Description	Effective Start Date	Effective End Date

RULE ID	RULE Definition
RULE-2133	If there is only one eligibility determinants segment, with segment keys submitting state, MSIS ID and MSIS case number, then the primary eligibility group indicator is equal to '1'
RULE-7004	If a segment is an eligibility determinants segment from an ELG file, the MSIS case number value reported must be compatible with the specified T-MSIS picture format: X(12).

Measure ID	Measure Name
EL-1-005-16	% of MSIS IDs with MSIS Case Number
MIS-1-029-29	% distinct MSIS IDs with only missing values in any active segment: MSIS-CASE-NUM (ELG00005)

DE Number	System DE Number	DE Name	File Segment Number	File Segment Name

Published Date	Data Guide Version	Data Element	Action	Field	Before	After
04/17/2020	2.4.0	ELG083	UPDATE	Data Dictionary	If multiple MSIS-CASE-NUMs exist at the state-level, and T-MSIS only allows one Case Number in current T-MSIS DD, please enter the Case Number with the longest eligibility days in that particular month.	N/A