835 Denial Combination
CO-16+N30
Contractual Obligation · Claim-Level Adjustment
What This Combination Means
Missing or incomplete subscriber date of birth — the subscriber's date of birth is absent or doesn't match payer records.
95%
Appeal Success
2-5 days
Avg. Resolution
Easy
Difficulty
Yes
Appealable
Step-by-Step Resolution
Steps tailored specifically to this CO-16+N30 combination — not generic advice.
- 1
Confirm the subscriber's date of birth from the insurance card.
- 2
Update your patient registration and resubmit.
Specialty Context
How CO-16+N30 typically presents across different practice types.
Dental
Verify missing or incomplete subscriber date of birth — the subscriber's date of birth is absent or doesn't match payer records per your dental plan contract and documentation requirements.
Medical
Confirm missing or incomplete subscriber date of birth — the subscriber's date of birth is absent or doesn't match payer records against payer policy and submit corrected claim as needed.
Behavioral Health
Apply behavioral health parity rules and confirm missing or incomplete subscriber date of birth — the subscriber's date of birth is absent or doesn't match payer records per MHPAEA standards.
Individual Code References
View the standalone definition for each code in this combination.
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