E71.42
Billable codeCarnitine deficiency due to inborn errors of metabolism
The ICD-10 code for carnitine deficiency due to inborn errors of metabolism is E71.42.
Clinical notes
Code also
Two codes may be needed to fully describe a condition, but unlike Code First/Use Additional Code, the sequencing order is not mandated by convention.
- associated inborn error or metabolism
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- E71.40Disorder of carnitine metabolism, unspecified
- E71.41Primary carnitine deficiency
- E71.43Iatrogenic carnitine deficiency
- E71.44Other secondary carnitine deficiencynon-billable header
- E71.42Carnitine deficiency due to inborn errors of metabolism
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 27782
Associated MS-DRGs
E71.42 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.