E71.40 — Disorder of carnitine metabolism, unspecified
E71.40 is a billable, specific ICD-10-CM code for disorder of carnitine metabolism, unspecified. It is valid for submission on a claim.
Risk adjustment
E71.40 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
E71.40 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.
- A56416Billing and Coding: Assays for Vitamins and Metabolic Function
How E71.40 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 E71.40.
- Carnitine insufficiency
- Deficiency, deficient›carnitine
- Disorder›carnitine metabolism
Related codes at this level
Codes that share E71.4. If E71.40 is not quite right, the correct code is usually one of these.
Questions about E71.40
- Is E71.40 a billable ICD-10-CM code?
- Yes. E71.40 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does E71.40 sit in the tabular list?
- Endocrine, nutritional and metabolic diseases (E00-E89), in the block Metabolic disorders (E70-E88).