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Denial Code 186

CARC 186: Level of care change adjustment

This is a Claim Adjustment Reason Code (CARC). CARCs explain why a payer adjusted or denied a claim line and appear with a group code (CO, PR, OA, PI). Codes appear on the EOB / ERA after a claim is adjudicated.

Reference only — CARC/RARC are national code sets updated periodically. Verify against the current official list before acting on a denial or appeal.

Related CARC codes

183
The referring provider is not eligible to refer the service billed
184
The ordering provider is not eligible to prescribe/order the service billed
185
The rendering provider is not eligible to perform the service billed
187
Consumer Spending Account payments
188
This product/procedure is only covered when used according to FDA recommendations
189
'Not otherwise classified' or 'unlisted' procedure code was billed when there is a specifi…

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