E77.1 – Defects in glycoprotein degradation
ICD-10-CM 2027 diagnosis code · Metabolic disorders
ICD-10-CM code
E77.1
- Code
E77.1(claims format:E771)- Description
- Defects in glycoprotein degradation
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 4. Endocrine, nutritional and metabolic diseases (E00-E89)
- Block
- E70-E88 Metabolic disorders
- Parent codes
- E77
Notes for E77.1
Applicable to:
- Aspartylglucosaminuria
- Fucosidosis
- Mannosidosis
- Sialidosis [mucolipidosis I]
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block E70-E88
Excludes1 (not coded here):
Excludes2 (not included here):
- Ehlers-Danlos syndromes (Q79.6-)
Index terms for E77.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in E77
Frequently asked questions
What is ICD-10 code E77.1?
E77.1 is the ICD-10-CM code for defects in glycoprotein degradation, in the block E70-E88 (Metabolic disorders).
Is E77.1 a billable code?
Yes. E77.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does E77.1 belong to?
It belongs to category E77 – Disorders of glycoprotein metabolism.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.