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What is the meaning of the CMS Medicare Claim Denial Reason Code?: CO109, CO/109, CO-109
What is the meaning of the CMS Medicare Claim Denial Reason Code?: CO109, CO/109, CO-109 - Claim not covered by this payer/contractor. You must send the claim to the correct payer/contractor. What You Should DO: 1. Verify if maybe the patient is covered through the HMO (Health Management Organization) with another insurance company. Useful References: CPT Code Books, CMS Website (www.cms.gov), CCI Quarterly Updates, CPT Assistant Publications, Diagnosis Code Books