E71.31
⚠ Non-billable
Disorders of fatty-acid oxidation
ICD-10-CM · FY2026 · Endocrine, Nutritional and Metabolic Diseases
Code
E71.31
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Endocrine, Nutritional and Metabolic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code E71.31?
ICD-10-CM code E71.31 represents Disorders of fatty-acid oxidation. It is a non-billable header code requiring a more specific subcategory in the Endocrine, Nutritional and Metabolic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is E71.31 billable?
No. E71.31 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is E71.31 in?
E71.31 belongs to the Endocrine, Nutritional and Metabolic Diseases chapter (E00–E89) of ICD-10-CM.
Related codes in the E71 category
E71
Disorders of branched-chain amino-acid metabolism and fatty-acid metabolism
Non-billable
E71.0
Maple-syrup-urine disease
Billable
E71.1
Other disorders of branched-chain amino-acid metabolism
Non-billable
E71.2
Disorder of branched-chain amino-acid metabolism, unspecified
Billable
E71.3
Disorders of fatty-acid metabolism
Non-billable
E71.4
Disorders of carnitine metabolism
Non-billable
E71.5
Peroxisomal disorders
Non-billable
E71.11
Branched-chain organic acidurias
Non-billable
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