How do I resolve a CO-119 denial?

Verify the benefit maximum threshold in the patient's plan documentation: Confirm the specific dollar amount, visit count, or time period limit that has been reached to ensure accurate application of the denial. Post the contractual adjustment to the patient account as a write-off: Apply the denied amount as a CO adjustment so it does not appear as patient responsibility on statements. Document the benefit exhaustion date and inform the patient of their remaining coverage status: Communicate to the patient that their plan benefits are exhausted for this service category or period, and discuss options for self-pay or alternative coverage if applicable.

835 Denial Combination

CO-119

Contractual Obligation · Claim-Level Adjustment

Contractual Obligation

What This Combination Means

The patient has exhausted their plan's maximum benefit allowance for the service or time period in question, and the payer is denying payment based on this limit. The CO group code indicates this is a contractual arrangement between the provider and payer, requiring the provider to write off the denied amount rather than balance-billing the patient.

Financial Responsibility

provider writeoff

The provider must absorb this adjustment as a contractual write-off because the patient has reached their benefit maximum. The patient cannot be billed for this amount under the provider's contract with the payer.

N/A

Appeal Success

Immediate (write-off)

Avg. Resolution

Easy

Difficulty

Appealable

Step-by-Step Resolution

Steps tailored specifically to this CO-119 combination — not generic advice.

Not Appealable:Benefit maximums are contractual plan limitations that cannot be overturned through appeal when properly applied.

1
Verify the benefit maximum threshold in the patient's plan documentation
Confirm the specific dollar amount, visit count, or time period limit that has been reached to ensure accurate application of the denial.
2
Post the contractual adjustment to the patient account as a write-off
Apply the denied amount as a CO adjustment so it does not appear as patient responsibility on statements.
3
Document the benefit exhaustion date and inform the patient of their remaining coverage status
Communicate to the patient that their plan benefits are exhausted for this service category or period, and discuss options for self-pay or alternative coverage if applicable.

Specialty Context

How CO-119 typically presents across different practice types.

Dental

Commonly seen when annual maximum benefits (often $1,000-$2,000) are exhausted, particularly for restorative or orthodontic services that accumulate throughout the plan year.

Medical

Frequently applies to therapy visit limits (physical, occupational, speech), durable medical equipment caps, or annual/lifetime maximums for specific benefit categories like chiropractic care or acupuncture.

Behavioral Health

Often encountered with outpatient visit limits (e.g., 20-30 sessions per year) or intensive outpatient program day limits, requiring providers to track benefit utilization carefully throughout the benefit period.

Individual Code References

View the standalone definition for each code in this combination.

CARC 119

Medicare Contractor Guidance for CARC 119

Noridian

Item has met maximum limit for this time period. Payment already made for same or similar procedure within set time frame.

How to Prevent CARC 119 Denials

✓
Prior to providing item verify that same or similar item has not been provided
✓
The Noridian Medicare Portal can be accessed under Same or Similar, option 2, to verify if beneficiary has had same or similar item or call the Noridian Interactive Voice Response (IVR) System for Same or Similar prior to providing item
✓
Prior to providing equipment, an Advance Beneficiary Notice of Noncoverage (ABN) may be obtained for items a supplier knows a beneficiary does not qualify for or that will deny as same or similar to an item already in beneficiaries possession
✓
Was item replaced for lost, stolen or irreparably damaged (specific incident)?
✓
Append RA modifier to claim
✓
Appeal when item replaced for lost, stolen, or irreparably damaged (specific incident) with documentation from beneficiary statement, police report, fire report, or insurance claim information, etc. as applicable
✓
If provided item prior to end of Reasonable Useful Lifetime (RUL) for change in medical condition, an ABN should have been obtained prior to providing item
✓
Appeal with medical records that substantiate need for change in medical condition and ABN if obtained
✓
Was there a previous supplier within the RUL, and did that supplier continue to bill rental after returned?
✓
Adjust amount from AR for that month, ensure that rental was picked up from beneficiary (two suppliers cannot be reimbursed for same month)
✓
Are there rental items billing as upgrades and are they correctly billing each month with appropriate modifiers?
✓
Refer to the upgrade process on the Noridian Medicare website
✓
Is there a similar rental item renting and billing in supplier's system that has not been returned?
✓
Stop rental item, amounts on AR will need to be adjusted

Noridian Medicare PortalIVRSame or Similar

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Synthesized from official definitions — not from training data

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