- Rhinolalia (aperta) (clausa) (open) 784.43
- Rhinolith 478.19
- Rhinomegaly 478.19
- Rhinopharyngitis (acute) (subacute) (see also Nasopharyngitis) 460
- Rhinophyma 695.3
- Rhinorrhea 478.19
- Rhinosalpingitis 381.50
- Rhinoscleroma 040.1
- Rhinosporidiosis 117.0
- Rhinovirus infection 079.3
- Rhizomelic chrondrodysplasia punctata 277.86
- Rhizomelique, pseudopolyarthritic 446.5
- Rhoads and Bomford anemia (refractory) 238.72
- Rhus
- Rhythm
- Rhytidosis facialis 701.8
- Rib - see also condition
- Riboflavin deficiency 266.0
- Rice bodies (see also Loose, body, joint) 718.1
- Richter's hernia - see Hernia, Richter's
- Ricinism 988.2
- Rickets (active) (acute) (adolescent) (adult) (chest wall) (congenital) (current) (infantile) (intestinal) 268.0
