CO-16 Missing Information Denial — 2026 BH Recovery

CO-16 (Missing/invalid data — the claim is missing required information) is the second most common BH denial after CO-197. Every CO-16 is preventable and 100% recoverable — the money goes to bottom line.

What Triggers CO-16 in BH Claims

1. Missing prior auth number in Box 23
2. Missing referring provider NPI (required for many BH E/M codes)
3. Missing rendering provider NPI vs billing provider NPI mismatch
4. Missing modifier when required (95, 93, HN, HO, HP, HH for specific service types)
5. Missing units on time-based codes
6. Missing place-of-service code (POS 02/10 telehealth)
7. Missing diagnosis pointer

Fix — Pre-Submission Scrub

Automated 30-point pre-submission edit-rule engine catches all above before claim leaves EHR. Reduces CO-16 rate from 3-8% to under 0.5%.

Recovery Benchmark

Multi-site BH operators typically recover $60K-$200K/yr on CO-16 alone with pre-submission scrub. Plus prevented rework labor cost.

Case Study

$1.04M recovered in 90 days

Free 30-day CO-16 audit · Pricing 4-8%

– KD, Revenant Care