Webjul 19, 2024 · denial code co 16 occurs with at least one remark code, explaining additional details regarding why the payer refused reimbursements for the rendered services. Review this code to understand the reason and rectify the issue in the next step. Webthe co 16 denial indicates that a claim has been denied due to missing or incorrect information, often stemming from outdated or inaccurate insurance details. Webdec 4, 2023 · when an insurance company denies a claim or service with denial code co 16, it typically indicates that…