E77.9
BillableDisorder of glycoprotein metabolism, unspecified
HCC Category Mapping
V24HCC 23 — Other Significant Endocrine and Metabolic Disorders
0.230ESRDHCC 23 — Other Significant Endocrine and Metabolic Disorders
0.000RxHCCHCC 43 — Other Significant Endocrine and Metabolic Disorders
0.000What This Code Means
A metabolic disorder affecting glycoprotein processing in the body, but the specific type has not been determined or specified.
Coding Tips
- •This is a catch-all code; attempt to obtain more specific diagnosis before coding
- •Query provider if additional testing or clinical findings could clarify the specific glycoprotein disorder
Clinical Significance
Disorder of glycoprotein metabolism, unspecified indicates a confirmed glycoprotein metabolism problem without sufficient documentation to assign a specific code. This code should prompt queries for additional diagnostic detail since glycoprotein disorders vary widely in severity and treatment needs.
Documentation Requirements
- ✓Provider documentation confirming a glycoprotein metabolism disorder
- ✓Clinical evidence supporting the diagnosis (abnormal glycoprotein levels, clinical features)
- ✓Reason specificity is lacking (workup in progress, indeterminate results)
- ✓Plan for further diagnostic evaluation
- ✓Current symptom management and follow-up
Commonly Confused Codes
E77.0 — Defects in post-translational modification: for mucolipidoses (I-cell disease, pseudo-Hurler polydystrophy)E77.1 — Defects in glycoprotein degradation: for mannosidosis, fucosidosis, sialidosisE77.8 — Other disorders of glycoprotein metabolism: for CDG and other specified conditionsE88.9 — Metabolic disorder, unspecified: too broad when glycoprotein involvement is confirmed
Code Hierarchy
└E77Disorders of glycoprotein metabolism└E77.9Disorder of glycoprotein metabolism, unspecified
└E77.9Disorder of glycoprotein metabolism, unspecified