ICD-10-CM · Chapter 4 · E00-E89

E77 Disorders of glycoprotein metabolism

Category / Non-billable header 4 subcodes

Block: Metabolic disorders (E70-E88)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code	Description	Billable
E77..0	Defects in post-translational modification of lysosomal enzymes	Yes
E77..1	Defects in glycoprotein degradation	Yes
E77..8	Other disorders of glycoprotein metabolism	Yes
E77..9	Disorder of glycoprotein metabolism, unspecified	Yes

Last reviewed: September 2026