| HBc, HBC, | HBc hepatitis B core [antigen] |
|---|---|
| HBcAg, HBcAg, | HBCAG hepatitis B core antigen |
| HBCG | heat-aggregated Calmette-Guerin bacillus |
| HbCO | carboxyhemoglobin |
| HbCV | Haemophilus influenzae conjugate vaccine |
| HBD | α-Hydroxy-Butyrate Dehydrogenase |
| HBD | has been drinking; hydroxybutyric dehydrogenase; hypophosphatemic bone disease |
| HbD | hemoglobin D |
| HBDH | hydroxybutyrate dehydrogenase |
| HBDT | human basophil degranulation test |