ICD10BillableValid for clinical use
ICD-10 Code E77.9: Disorder of glycoprotein metabolism, unspecified
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).
When is it used?
- May be used when a clinician documents disorder of glycoprotein metabolism, unspecified in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
4Endocrine, nutritional and metabolic diseases (E00-E89)
block
E70-E88Metabolic disorders
category
E77Disorders of glycoprotein metabolism
currentE77
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
EndocrinologistGeneral Physician
Related codes
Sibling codes
Coverage-related procedures and services
CPT 82172high
APOLIPOPROTEIN, EACH
Source: CMS coverage guidance
CPT 86141high
C-REACTIVE PROTEIN; HIGH SENSITIVITY (HSCRP)
Source: CMS coverage guidance
CPT 83090high
HOMOCYSTEINE
Source: CMS coverage guidance
CPT 83695high
LIPOPROTEIN (A)
Source: CMS coverage guidance
CPT 83700high
LIPOPROTEIN, BLOOD; ELECTROPHORETIC SEPARATION AND QUANTITATION
Source: CMS coverage guidance
CPT 83701high
LIPOPROTEIN, BLOOD; HIGH RESOLUTION FRACTIONATION AND QUANTITATION OF LIPOPROTEINS INCLUDING LIPOPROTEIN SUBCLASSES WHEN PERFORMED (EG, ELECTROPHORESIS, ULTRACENTRIFUGATION)
Source: CMS coverage guidance
Mapped diagnoses and classifications
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
E77.9
Common synonyms
Disorder of glycoprotein metabolism, unspecifiedDisorder of glycoprotein metabolism
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.