Reason Code: CO-16

Error Description:

Claim/service lacks information or has submission/billing error(s).

Remark Code N822: Missing procedure modifier(s).

Avoiding/Correcting This Error

This rejection is the result of submitting a CPT/HCPCS code without a required modifier.

You are required to research the proper modifier to report with the CPT/HCPCS code then submit a new claim.

Please use these resources to identify and report the appropriate modifier:

• CMS IOM Publication 100-04, Medicare Claims Processing Manual, Chapter 12, Section 30.6
• Modifiers