What goes in Box 27 of the CMS-1500?
Whether the provider accepts the payer’s allowed amount as payment in full under the payer’s assignment rules, YES or NO. For Medicare this interacts with participation status.
What does Box 27 mean for chiropractic billing?
Paired with Box 13, this controls where the money goes and what the patient can be billed. In network contracts effectively decide the answer for you; out of network, the combination of 13 and 27 is why some remittances pay the patient instead of the practice.
The mistakes that turn this box into denials
- ✗NO checked by accident under a contract that requires assignment
- ✗Treating 27 as a substitute for the Box 13 signature
The denials this box causes
- →PR-100 / CO-100 · see the full fix in the denial library
How Cervica fills Box 27
Cervica generates the CMS-1500 and its electronic 837P equivalent from the chart and the payer's own rules: identifiers from the verified insurance record, modifiers and codes per payer, and pre submission scrubbing that flags exactly the mistakes listed above before a claim leaves the building.
Related boxes
- →Box 13 · Insured signature, assignment of benefits
General information for billing teams, not billing advice for any individual claim. The NUCC's 1500 Claim Form instructions and each payer's companion guides control.