E77.9 — Disorder of glycoprotein metabolism, unspecified
E77.9 is a billable, specific ICD-10-CM code for disorder of glycoprotein metabolism, unspecified. It is valid for submission on a claim.
Risk adjustment
E77.9 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
E77.9 is named in 8 Medicare coverage policies — 8 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52996Billing and Coding: Routine Foot Care
- A56232Billing and Coding: Foot Care
- A56943Billing and Coding: MolDX: Biomarkers in Cardiovascular Risk Assessment
- A57037Billing and Coding: MolDX: Biomarkers in Cardiovascular Risk Assessment
How E77.9 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to E77.9.
- Disorder›glycoprotein metabolism
- Disorder›metabolism NOS›glycoprotein
Related codes at this level
Codes that share E77. If E77.9 is not quite right, the correct code is usually one of these.
Questions about E77.9
- Is E77.9 a billable ICD-10-CM code?
- Yes. E77.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does E77.9 sit in the tabular list?
- Endocrine, nutritional and metabolic diseases (E00-E89), in the block Metabolic disorders (E70-E88).