| KCG | kinetocardiogram |
|---|---|
| kCi | kilocurie |
| KCO | transfer coefficient |
| kcps | kilocycles per second |
| KCS | keratoconjunctivitis sicca |
| KCT, KCTe | cathodal closing tetanus |
| KD | cathodal duration; Kawasaki disease; Kennedy disease; killed |
| Kd | dissociation constant; distribution coefficient; partition coefficient |
| kd, kDa | kilodalton |
| KDA | known drug allergies |