- Myocardial - see condition
- Myocardiopathy (congestive) (constrictive) (familial) (hypertrophic nonobstructive) (idiopathic) (infiltrative) (obstructive) (primary) (restrictive) (sporadic) 425.4
- Myocarditis (fibroid) (interstitial) (old) (progressive) (senile) (with arteriosclerosis) 429.0
- Myocardium, myocardial - see condition
- Myocardosis (see also Cardiomyopathy) 425.4
- Myoclonia (essential) 333.2
- Myoclonic
- Myoclonus (familial essential) (multifocal) (simplex) 333.2
- Myodiastasis 728.84
- Myoendocarditis - see also Endocarditis
- Myoepithelioma (M8982/0) - see Neoplasm, by site, benign
- Myofascitis (acute) 729.1
- Myofibroma (M8890/0) - see also Neoplasm, connective tissue, benign
- Myofibrosis 728.2
- Myofibrositis (see also Myositis) 729.1
- Myogelosis (occupational) 728.89
- Myoglobinuria 791.3
- Myoglobulinuria, primary 791.3
- Myokymia - see also Myoclonus
- Myolipoma (M8860/0)
- Myoma (M8895/0) - see also Neoplasm, connective tissue, benign
- Myomalacia 728.9
