835 Denial Combination

CO-45+N88

CO

Contractual Obligation · Service-Line Level Adjustment

What This Combination Means

Payment was made for this claim conditionally because an HHA episode of care has been filed for this patient.

N/A

Appeal Success

7-14 days

Avg. Resolution

Medium

Difficulty

No

Appealable

Step-by-Step Resolution

Steps tailored specifically to this CO-45+N88 combination — not generic advice.

  1. 1

    Payment may be recouped if it is established that the patient concurrently receives treatment under an HHA episode of care because of the consolidated billing requirements

Specialty Context

How CO-45+N88 typically presents across different practice types.

Dental

Medical

Behavioral Health

Individual Code References

View the standalone definition for each code in this combination.

Medicare Contractor Guidance for CARC 45

Noridian

Payment was made for this claim conditionally because an HHA episode of care has been filed for this patient.

How to Prevent CARC 45 Denials

  • Ensure eligibility is verified in the Noridian Medicare Portal for Home Health Episode History (HHEH)

  • Utilize the Consolidated Billing Tool on the Noridian Medicare website to inquire on items covered in a HHA episode of care, prior to providing

Noridian Medicare PortalConsolidated Billing ToolFee Schedule

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