E74.0

Clinical Information

• 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.

Details

• E74.0 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.

• The 2023 edition of ICD-10-CM E74.0 became effective on October 1, 2022.

• This is the American ICD-10-CM version of E74.0 – other international versions of ICD-10 E74.0 may differ.