| Format/Length: | See DATE |
| HES Item: | |
| National Codes: | |
| Default Codes: |
Notes:
OBSERVATION DATE (HEPATITIS B ANTIGEN) is the same as attribute PERSON PROPERTY OBSERVED 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) |