| 15 | Required Application Data Missing |
| 42 | Unable to Respond at Current Time |
| 43 | Invalid/Missing Provider Identification |
| 45 | Invalid/Missing Provider Specialty |
| 47 | Invalid/Missing Provider State |
| 48 | Invalid/Missing Referring Provider Identification Number |
| 49 | Provider is Not Primary Care Physician |
| 51 | Provider Not on File |
| 52 | Service Dates Not Within Provider Plan Enrollment |
| 56 | Inappropriate Date |
| 57 | Invalid/Missing Date(s) of Service |
| 58 | Invalid/Missing Date of birth |
| 60 | Date of Birth Follows Date(s) of Service |
| 61 | Date of Death Precedes Date(s) of Service |
| 62 | Date of Service Not Within Allowable Inquiry Period |
| 63 | Date of Service in Future |
| 64 | Invalid/Missing Patient ID |
| 65 | Invalid/Missing Patient Name |
| 66 | Invalid/Missing Patient Gender Code |
| 67 | Patient Not Found |
| 68 | Duplicate Patient ID Number |
| 71 | Patient Birth Date Does Not Match That for the Patient on the Database |
| 72 | Invalid/Missing Subscriber/Insured ID |
| 73 | Invalid/Missing Subscriber/Insured Name |
| 74 | Invalid/Missing Subscriber/Insured Gender Code |
| 75 | Subscriber/Insured Not Found |
| 76 | Duplicate Subscriber/Insured ID Number |
| 77 | Subscriber Found, Patient Not Found |
| 78 | Subscriber/Insured Not in Group/Plan Identified |