E71.42
E71.42: Carnitine deficiency due to inborn errors of metabolism
Billable / specific codeICD-10-CM
E71.42 is a billable, specific ICD-10-CM code for carnitine deficiency due to inborn errors of metabolism. It is valid for submission on a claim.
Check E71.42 with the rest of the claim: free scrubberCode also
Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.
- associated inborn error or metabolism
Other codes that can never be billed with E71.42
Their own Excludes1 notes name this code, so the conflict is not listed above.
- E71.511Neonatal adrenoleukodystrophy
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
E71.42 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A54095Billing and Coding: Nerve Conduction Studies and Electromyography
- A56416Billing and Coding: Assays for Vitamins and Metabolic Function
- A57123Billing and Coding: Nerve Conduction Studies and Electromyography
Alphabetic index entries that lead here
- Deficiency, deficient›carnitine›due to›inborn errors of metabolism
Code history
Unchanged in every release from FY2024 to FY2027.