Non-Billable / Non-Specific Code
ICD-10-CM E77 is the diagnosis code for Disorders of glycoprotein metabolism. This code falls under the section "Metabolic disorders" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where E77 sits in the ICD-10-CM classification helps ensure proper coding:
No, E77 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
E77 is the ICD-10-CM diagnosis code for "Disorders of glycoprotein metabolism". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
E77 is located in Section E70-E88 — "Metabolic disorders" within Chapter 4 of the ICD-10-CM Tabular List.
E77 has 4 sub-code(s) that provide more specific detail: E77.0, E77.1, E77.8, E77.9.
Use E77 when the patients documented diagnosis matches "Disorders of glycoprotein metabolism" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Disorders of glycoprotein metabolism is E77.
No, E77 is non-billable. Use a more specific sub-code for primary diagnosis billing.
E77 is in Chapter 4 of the ICD-10-CM Tabular List.
Yes, E77 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.