- Dysinsulinism 251.8
- Dyskaryotic cervical smear 795.09
- Dyskeratosis (see also Keratosis) 701.1
- Dyskinesia 781.3
- Dyslalia 784.5
- Dyslexia 784.61
- Dyslipidemia 272.4
- Dysmaturity (see also Immaturity) 765.1
- Dysmenorrhea (essential) (exfoliative) (functional) (intrinsic) (membranous) (primary) (secondary) 625.3
- Dysmetabolic syndrome X 277.7
- Dysmetria 781.3
- Dysmorodystrophia mesodermalis congenita 759.82
- Dysnomia 784.3
- Dysorexia 783.0
- Dysostosis
- Dyspareunia (female) 625.0
- Dyspepsia (allergic) (congenital) (fermentative) (flatulent) (functional) (gastric) (gastrointestinal) (neurogenic) (occupational) (reflex) 536.8
- Dysphagia 787.20
- Dysphagocytosis, congenital 288.1
- Dysphasia 784.5
- Dysphonia 784.49
- Dyspigmentation - see also Pigmentation