CARC191ReferenceHistorical / DeactivatedVerified Aug 15, 2026

CARC 191

Historical / Deactivated code: Heads up

CARC 191 is no longer valid for current transactions. It may still appear on older remittance advices — treat it as reference for historical documents only.

No specific AR Guide workflow has been assigned yet

We haven’t written AR Guide guidance for CARC 191 yet. The reference description in the sidebar is complete and sourced from ASC X12. Search the denial guides for the workflow you need.

Reference

Reference details

Code: 191
X12 status: Deactivated
Effective: Oct 31, 2005
Last modified: Oct 17, 2010
Deactivated: Jul 1, 2014

Reference

Reference description

Not a work related injury/illness and thus not the liability of the workers' compensation carrier Note: If adjustment is at the Claim Level, the payer must send and the provider should refer to the 835 Insurance Policy Number Segment (Loop 2100 Other Claim Related Information REF qualifier 'IG') for the jurisdictional regulation. If adjustment is at the Line Level, the payer must send and the provider should refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment information REF)

External reference text from ASC X12. AR Guide does not alter official descriptions.

Source & review

Data quality

Source: ASC X12 Claim Adjustment Reason Codes
Verify: Open source page ↗
Last checked: Aug 15, 2026
Status: Verified

Denial Decoder

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Enter CARC 191 (plus the group code and any RARC from your ERA/EOB) and get a practical AR workflow.

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