ELG.022.266

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

TMSIS Dataguide

Medicaid.gov

Version:

REASON-FOR-CHANGE

Data Element

DE Number

ELG266

System DE Number

ELG.022.266

File Name

File Segment Number

File Segment Name

ELG-IDENTIFIERS

Last updated

Overview Valid Values Related Rules Related DQ Measures Other Instances

Definition	A code to identify the reason for changing the MSIS Identification Number of a beneficiary and only required for Eligible Identifier Type = '2-Old MSIS Identification Number'. For example, If MSIS Identification Number of a beneficiary is being changed due to 'Merge with other MSIS ID' or 'Unmerge'.
Size	X(10)
FLF Start Position	97
FLF Stop Position	106
Segment Key Field Identifier	Not Applicable
Coding Requirements	1. Value must be 10 characters or less 2. Value must be in Reason for Change List (VVL) 3. Conditional 4. Value must be populated when Eligible Identifier Type (ELG.022.261) equals "2"(Old MSIS Identification Number)

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

RULE ID	RULE Definition
RULE-7238
RULE-7239

Measure ID	Measure Name
RULE-7239	% of record segments with an invalid value for Reason for Change

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

Published Date	Data Guide Version	Data Element	Action	Field	Before	After
06/19/2025	4.0.11	ELG.022.266	UPDATE	Coding requirement	1. Value must be 10 characters or less2. Value must be in Reason for Change List (VVL)3. ConditionalValue must be populated when Eligible Identifier Type (ELG.022.261) equals "2"(Old MSIS Identification Number)	1. Value must be 10 characters or less2. Value must be in Reason for Change List (VVL)3. Conditional4. Value must be populated when Eligible Identifier Type (ELG.022.261) equals "2"(Old MSIS Identification Number)
06/05/2025	4.0.10	ELG.022.266	UPDATE	Coding requirement	1. Value must be 10 characters or less2. Value must be in Reason for Change List (VVL)3. Conditional4. (Old MSIS Identification Number) value must be populated when Eligible Identifier Type (ELG.022.261) equals "2"	1. Value must be 10 characters or less2. Value must be in Reason for Change List (VVL)3. ConditionalValue must be populated when Eligible Identifier Type (ELG.022.261) equals "2"(Old MSIS Identification Number)
09/16/2024	4.0.0	ELG.022.266	UPDATE	File segment	None	64
09/16/2024	4.0.0	ELG.022.266	ADD	N/A		Created