- Kaposi's Sarcoma
- Kawasaki Syndrome
- Keloids
- Keratitis
- Keratosis Pilaris
- Kidney Biopsy
- Kidney Cancer
- Kidney Function Tests
- Kidney Nuclear Medicine Scan
- Kidney Stones
- Kidney Transplantation
- Kidney, Ureter, and Bladder X-Ray Study
- Kinesiology, Applied
- Klinefelter Syndrome
- Kneecap Removal
- KOH Test
- Korsakoff's Syndrome
- Kyphosis
