| Format/Length: | n3 |
| HES Item: | |
| National Codes: | |
| Default Codes: | 999 - Not known i.e. date of birth not known and age cannot be estimated. Note that this code is NOT valid for the NHS Health Checks Data Set |
Notes:
AGE AT ATTENDANCE DATE is derived as the number of completed years between the PERSON BIRTH DATE of the PATIENT and the ATTENDANCE DATE or the estimated age of the PATIENT.
Note that default code 999 is NOT valid for the NHS Health Checks Data Set.
This data element is also known by these names:
| Context | Alias |
|---|---|
| plural | AGES AT ATTENDANCE DATE |