| Format/Length: | an10 CCYY-MM-DD |
| National Codes: | |
| Default Codes: |
Notes:
OBSERVATION DATE (HEPATITIS B ANTIGEN) is the same as attribute ACTIVITY DATE where the ACTIVITY DATE TYPE is National Code 'Clinical Intervention Date'.
OBSERVATION DATE (HEPATITIS B ANTIGEN) is the date when the PATIENT's Hepatitis B surface antigen status was measured.
This data element is also known by these names:
| Context | Alias |
|---|---|
| plural | OBSERVATION DATES (HEPATITIS B ANTIGEN) |
