- A group of inherited metabolic disorders involving the enzymes responsible for the synthesis and degradation of glycogen. In some patients, prominent liver involvement is presented. In others, more generalized storage of glycogen occurs, sometimes with prominent cardiac involvement.
- An inherited metabolic disorder characterized either by defects in glycogen synthesis or defects in the breaking down of glycogen. It results either in the creation of abnormal forms of glycogen or accumulation of glycogen in the tissues.
- Any of a group of metabolic disorders characterized by excessive storage of glycogen.
271 Disorders of carbohydrate transport and metabolism 
271.0 Glycogenosis convert 271.0 to ICD-10-CM