Glycogen storage disease V
ICD-10 Code
E74.04
Glycogen storage disease V
Definition
Myophosphorylase deficiency (McArdle's disease), or glycogen storage disease type 5 (GSD5), is a severe form of glycogen storage disease characterized by exercise intolerance.
Also known as glycogen storage disease caused by mutation in PYGM, glycogen storage disease type 5, glycogen storage disease type V, glycogen storage disease V, glycogenosis due to muscle glycogen phosphorylase deficiency, glycogenosis type 5, glycogenosis type V, GSD due to muscle glycogen phosphorylase deficiency, GSD type 5, GSD type V, McArdle disease, myophosphorylase deficiency, PYGM glycogen storage disease — per MONDO