All personally identifiable information (PII) is tokenized before being sent to the LLM. The system uses AES-256 encryption and maintains zero-retention policy for external API calls.
| Data Field | Original Value | Masked Value (to LLM) | Status |
|---|---|---|---|
| Member Name | John Smith | TOKEN_A7F3E9D2F8B1C5E6 |
Masked |
| Date of Birth | 1980-03-15 | TOKEN_B8G4F0E3A2D7C9H1 |
Masked |
| SSN | 123-45-6789 | TOKEN_C9H5G1F4B3E8D0I2 |
Masked |
| Claim Amount | $3,245.00 | $3,245.00 | Not PII |
| Procedure Code | CPT-70552 | CPT-70552 | Not PII |