835 Denial Combination

CO-170

CO

Contractual Obligation · Claim-Level Adjustment

What This Combination Means

Payment is included in the allowance for another service or procedure. The billed service is considered part of a comprehensive service already paid.

40%

Appeal Success

14-21 days

Avg. Resolution

Medium

Difficulty

Yes

Appealable

Step-by-Step Resolution

Steps tailored specifically to this CO-170 combination — not generic advice.

  1. 1

    Identify the comprehensive service that absorbs the denied procedure.

  2. 2

    Verify the relationship between the two codes using coding guidelines.

  3. 3

    If the services are truly separate and distinct, add an appropriate modifier and appeal.

  4. 4

    If correctly bundled, post the write-off.

Specialty Context

How CO-170 typically presents across different practice types.

Dental

Verify payment is included in the allowance for another service or procedure per your dental plan contract and documentation requirements.

Medical

Confirm payment is included in the allowance for another service or procedure against payer policy and submit corrected claim as needed.

Behavioral Health

Apply behavioral health parity rules and confirm payment is included in the allowance for another service or procedure per MHPAEA standards.

Individual Code References

View the standalone definition for each code in this combination.

CARC 170

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