ANSI X12 837P - 4010 2010BA REF - Subscriber Secondary Identification

November 19, 2020

The 2010BA REF Subscriber Secondary Identification Segment is required when a secondary number is necessary to identify the entity.

The 4010 specifications for the REF segment can be found below as it pertains to the 2010BA loop.

Sample 837P (4010) - 2010BA REF - Subscriber Secondary Identification

> Subscriber Secondary Identification (2010BA) REF*SY*1234567890~

HIPAA Guide - 837P [4010]

[Situational]

Segment

Field

Name

Definition

REF

Reference Identification Qualifier

Code	Definition
1W	Member Identification Number
23	Client Number
IG	Insurance Policy Number
SY	Social Security Number

REF

Reference Identification
[Subscriber Supplemental Identifier]

REF

Description

REF

Reference Identifier

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