| A | Amended based on adjustments provided by the Placer (Physician) regarding patient demographics (such as age and/or gender or other patient specific information |
| B | Appended Report - Final results reviewed and further information provided for clarity without change to the original result values. |
| C | Record coming over is a correction and thus replaces a final result |
| D | Deletes the OBX record |
| F | Final results |
| I | Specimen in lab; results pending |
| N | Not asked; used to affirmatively document that the observation identified in the OBX was not sought when the universal service ID in OBR-4 implies that it would be sought. |
| O | Order detail description only (no result) |
| P | Preliminary results |
| R | Results entered -- not verified |
| S | Partial results. Deprecated. Retained only for backward compatibility as of V2.6. |
| U | Results status change to final without retransmitting results already sent as 'preliminary.' E.g., radiology changes status from preliminary to final |
| V | Verified - Final results reviewed and confirmed to be correct, no change to result value, normal range or abnormal flag |
| W | Post original as wrong, e.g., transmitted for wrong patient |
| X | Results cannot be obtained for this observation |