| Format/Length: | See DATE | 
| National Codes: | |
| Default Codes: | 
Notes:
OBSERVATION DATE (HEPATITIS B E ANTIBODY) is the same as attribute ACTIVITY DATE where the ACTIVITY DATE TYPE is National Code 'Clinical Intervention Date'.
OBSERVATION DATE (HEPATITIS B E ANTIBODY) is the date when the PATIENT's Hepatitis B E surface antibody status was measured.
This data element is also known by these names:
| Context | Alias | 
|---|---|
| plural | OBSERVATION DATES (HEPATITIS B E ANTIBODY) |