| Format/Length: | max n3 |
| National Codes: | |
| Default Codes: | 999 - Not known i.e. date of birth not known and age cannot be estimated |
Notes:
AGE AT ACTIVITY DATE (CONTRACT MONITORING) is the same as attribute PERSON AGE.
AGE AT ACTIVITY DATE (CONTRACT MONITORING) is the age of the PATIENT at the specified Activity Date for Age (Contract Monitoring).
