ICD-10-CM > E00-E89 > E70-E88 > E74 > E74.8 E74.8 Other specified disorders of carbohydrate metabolism Non-Billable/Non-Specific Codes E74.81Disorders of glucose transport, not elsewhere classifiedE74.810Glucose transporter protein type 1 deficiencyE74.818Other disorders of glucose transportE74.819Disorders of glucose transport, unspecifiedE74.82Disorders of citrate metabolismE74.820SLC13A5 Citrate Transporter DisorderE74.829Other disorders of citrate metabolismE74.89Other specified disorders of carbohydrate metabolism