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RDs billing Blue CrossPDF · 2 pagesFree
Blue Cross billing cheat sheet for dietitians
The codes, units, diagnoses, telehealth rules and BlueCard routing behind MNT claims to Blue plans.
What’s inside
- The three MNT codes (97802, 97803, 97804) and the minutes-to-units table under CPT's time rule.
- Which diagnoses to put on the claim: Z71.3, when a Z68 BMI code can go on it, and whether a visit is billed as preventive or medical.
- Telehealth: the place of service and modifier that have to agree.
- BlueCard: how to bill out-of-state Blue members through your local plan, and the prefix that routes the claim.
- The ten-question benefits check, the top denials with their fixes, and the documentation that survives an audit.

The EHR is free too.
A free EHR that records the session, writes the note from it, and builds the claim you submit. No card on file.