• Q fever A78
• with pneumonia A78† J17.8*
• Quadrantanopia, quadrantanopsia H53.4
• Quadricuspid aortic valve Q23.8
• Quadriplegia G82.5
• congenital (cerebral) G80.8
• spastic G80.0
• embolic (current episode) I63.4
• flaccid G82.3
• congenital (cerebral) G80.8
• spastic G80.0
• newborn NEC P11.9
• spastic G82.4
• congenital (cerebral) G80.0
• spinal G82.4
• thrombotic (current episode) I63.3
• traumatic T91.3
• current episode S14.1
• Quadruplet, affecting fetus or newborn P01.5
• pregnancy O30.2
• Quarrelsomeness F60.3
• Queensland fever A77.3
• Quervain's disease M65.4
• Queyrat's erythroplasia
• penis D07.4
• specified site Neoplasm, skin, in situ
• unspecified site D07.4
• Quincke's disease or edema T78.3
• hereditary D84.1
• Quinsy (gangrenous) J36
• Quintan fever A79.0
• Quintuplet, affecting fetus or newborn P01.5
• pregnancy O30.8