E77.1
Billable

Defects in glycoprotein degradation

Billable / Specific Code

What is Defects in glycoprotein degradation?

ICD-10-CM E77.1 is the diagnosis code for Defects in glycoprotein degradation. This code falls under the section "Metabolic disorders" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions

Coding Guidelines for E77.1

✅ This Code Includes

  • Aspartylglucosaminuria
  • Fucosidosis
  • Mannosidosis
  • Sialidosis [mucolipidosis I]

ICD-10-CM Code Hierarchy

Understanding where E77.1 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is E77.1 a billable ICD-10-CM code?

Yes, E77.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does E77.1 mean?

E77.1 is the ICD-10-CM diagnosis code for "Defects in glycoprotein degradation". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of E77.1?

The parent code of E77.1 is E77 ("Disorders of glycoprotein metabolism"). E77.1 provides a more specific classification within this category.

What section is E77.1 in?

E77.1 is located in Section E70-E88 — "Metabolic disorders" within Chapter 4 of the ICD-10-CM Tabular List.

When should I use E77.1?

Use E77.1 when the patients documented diagnosis matches "Defects in glycoprotein degradation" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Defects in glycoprotein degradation?

The ICD-10-CM code for Defects in glycoprotein degradation is E77.1.

Can E77.1 be used for primary diagnosis?

Yes, E77.1 can be used as a primary diagnosis code since it is billable and specific.

What chapter is E77.1 in?

E77.1 is in Chapter 4 of the ICD-10-CM Tabular List.

Is E77.1 valid for 2026?

Yes, E77.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousE77.0Defects in post-translational modification of lysosomal enzymesNext →E77.8Other disorders of glycoprotein metabolism
Code Details
E77.1
Defects in glycoprotein degradation
Billable / Specific Code
4 — Endocrine, nutritional and metabolic diseases (E00-E89)
E70-E88 — Metabolic disorders
2026 ICD-10-CM