| Field code | CB_MAT_HBS_AG |
| Field description | Maternal Hepatitis B status (hepatitis B surface antigen) |
| Field type | Alphanumeric Length: 1 |
| Field rule | P = Positive N = Negative |
| Dictionary field | Hepatitis B surface antigen test result (Hepatitis B surface antigen (HBsAg) test result) |
| EMDIS messages |
CBU_DIFF CBU_FULL |
| WMDA XML fields related to dictionary field |
HBS_AG |