| HE | half-scan with extrapolation; hard exudate; hektoen enteric [agar]; hemagglutinating encephalomyelit... |
|---|---|
| HIA | Hearing Industries Association; heat infusion agar; hemagglutination inhibition antibody or assay |
| IA | ibotenic acid; immune adherence; immunoadsorbent; immunobiologic activity; impedance angle; indolami... |
| JEMBEC | agar plates for transporting cultures of gonococci |
| KIA | Kligler iron agar |