ICD-10-CM > E00-E89 > E70-E88 > E74 > E74.8 > E74.81 E74.81 Disorders of glucose transport, not elsewhere classified Non-Billable/Non-Specific Codes E74.810Glucose transporter protein type 1 deficiencyE74.818Other disorders of glucose transportE74.819Disorders of glucose transport, unspecified