| Answer | A proper value is applicable but not known. This event occurred, but the date is unknown (e.g., date of last contact is unknown). | LA13240-9 |
| Answer | A valid date value is provided in item Date of Last Contact [1750], or the date was not expected to have been transmitted. | LA13264-9 |
| answers-for | Flag for Date last contact not populated | 59520-7 |
| LONG_COMMON_NAME | en-US | NAACCR_1751 |
LOINC Version: 2.77
FHIR