OA-219: Extent of Injury Adjustment
The injury extent adjustment is being handled as an other adjustment, usually in a multi-payer scenario. Determine the next responsible payer and submit the remaining balance.
What Does OA-219 Mean?
OA-219 typically appears when the injury extent adjustment affects coordination between payers — for example, when a workers compensation carrier limits payment based on injury severity and the remaining balance is directed to the patient's group health plan for consideration. It can also appear when a state workers compensation board reclassifies an injury, requiring adjustments to previously processed claims.
CARC 219 signals that the payer adjusted the claim because the scope, volume, or level of treatment billed does not align with the documented extent of the patient's injury. This code is heavily concentrated in workers compensation, auto liability, and other injury-related claims where payers apply jurisdiction-specific treatment guidelines that cap the allowable services based on injury severity classification.
When you receive CARC 219, the payer is referencing jurisdictional regulations that dictate treatment limits by injury type. The remittance will point you to the 835 Insurance Policy Number Segment (Loop 2100, REF qualifier 'IG') for claim-level adjustments or the Healthcare Policy Identification Segment (Loop 2110) for line-level adjustments. These segments contain the specific regulation or fee schedule the payer applied. Without reviewing these references, you cannot effectively dispute the adjustment.
The most common scenario is a workers compensation carrier applying state-specific treatment guidelines — for example, a state may limit physical therapy to a fixed number of visits for a Grade II ankle sprain, and your billing exceeded that cap. The adjustment is not a question of whether the service was rendered but whether the injury severity documented in the clinical record justifies the treatment volume billed. Strengthening the injury documentation — through detailed clinical notes, imaging studies, and functional assessments — is the primary path to overturning this denial.
Common Causes
| Cause | Frequency |
|---|---|
| Workers compensation and group health coordination The workers compensation carrier limited payment based on extent of injury, and the remaining balance is being adjusted under OA as it shifts to another payer for consideration | Most Common |
| Injury reclassification by jurisdictional authority A state workers compensation board or similar authority reclassified the injury severity, requiring adjustment to previously processed claims | Common |
How to Resolve
Reference the jurisdictional regulation cited in the 835 segments, compare your injury documentation against the treatment limits, then appeal with enhanced clinical evidence if the documentation supports a higher severity classification.
- Determine the coordination path Identify whether the OA adjustment leaves a balance payable by another carrier (group health plan, secondary insurance) or represents a jurisdictional reclassification that requires filing a dispute with the workers compensation board.
- Submit to next payer or dispute reclassification If another payer is responsible, file the claim with the remaining balance and the primary payer's ERA. If the injury was reclassified by a jurisdictional authority and you disagree, file a dispute with the appropriate board.
Common RARC Pairings
The RARC code tells you exactly what triggered the OA-219:
| RARC | Description |
|---|---|
| N479 | Alert: Refer to your jurisdiction's treatment guidelines for services related to this injury. |
| N517 | Payment adjusted based on jurisdictional workers compensation fee schedule or treatment guidelines. |
How to Prevent OA-219
- Track coordination of benefits between workers compensation and group health plans for all injury cases
- Monitor jurisdictional authority decisions that may reclassify injury severity for your patients
General Prevention
- Track coordination of benefits between workers compensation and group health plans for injury cases
- Monitor jurisdictional authority decisions that may reclassify injury severity and affect ongoing claims
Also Filed As
The same CARC 219 may appear with different Group Codes:
Related Denial Codes
Sources
- https://www.mdclarity.com/denial-code/219
- https://x12.org/codes/claim-adjustment-reason-codes
- https://portal.ct.gov/-/media/ohs/health-it-advisory-council/apcd-advisory-group/data-submission-guide-workgroup/meeting-materials/6-30-22/carc-codes_final.pdf
- Codes maintained by X12. Visit x12.org for official definitions.