E70.89 — Other disorders of aromatic amino-acid metabolism
E70.89 is a billable, specific ICD-10-CM code for other disorders of aromatic amino-acid metabolism. It is valid for submission on a claim.
Risk adjustment
E70.89 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
E70.89 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A57071Billing and Coding: Ophthalmology: Posterior Segment Imaging (Extended Ophthalmoscopy and Fundus Photography)
How E70.89 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 E70.89.
- Hydroxykynureninuria
- Aromatic amino-acid metabolism disorder›specified NEC
- Disorder›aromatic amino-acid metabolism›specified NEC
- Disorder›metabolism NOS›amino-acid›aromatic›other specified
Related codes at this level
Codes that share E70.8. If E70.89 is not quite right, the correct code is usually one of these.
Questions about E70.89
- Is E70.89 a billable ICD-10-CM code?
- Yes. E70.89 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does E70.89 sit in the tabular list?
- Endocrine, nutritional and metabolic diseases (E00-E89), in the block Metabolic disorders (E70-E88).