Is E71.318 a billable ICD-10-CM code?

Yes. E71.318 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does E71.318 sit in the tabular list?

Endocrine, nutritional and metabolic diseases (E00-E89), in the block Metabolic disorders (E70-E88).

What cannot be coded together with E71.318?

E71.318 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above E71.318 (E71.3) and apply to it just the same.

E71.318

E71.318 — Other disorders of fatty-acid oxidation

Billable / specific codeICD-10-CM

E71.318 is a billable, specific ICD-10-CM code for other disorders of fatty-acid oxidation. It is valid for submission on a claim.

Excludes1 inherited from the categories above E71.318

These are not written on E71.318, but they bind it: a note on a category applies to every code beneath it. Billing E71.318 with anything listed here is a denial.

Written on E71.3 — Disorders of fatty-acid metabolism

peroxisomal disorders (E71.5)
Refsum's disease (G60.1)
Schilder's disease (G37.0)

Excludes2 inherited from the categories above E71.318

Also inherited, and the opposite of Excludes1: these conditions are not part of E71.318, but a patient can have both, so you may code both.

Written on E71.3 — Disorders of fatty-acid metabolism

carnitine deficiency due to inborn error of metabolism (E71.42)

Risk adjustment

E71.318 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.

How E71.318 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 E71.318.

Disorder›fatty acid›oxidation›specified deficiency NEC

Code history

E71.318 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share E71.31. If E71.318 is not quite right, the correct code is usually one of these.

Questions about E71.318

Is E71.318 a billable ICD-10-CM code?: Yes. E71.318 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does E71.318 sit in the tabular list?: Endocrine, nutritional and metabolic diseases (E00-E89), in the block Metabolic disorders (E70-E88).
What cannot be coded together with E71.318?: E71.318 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above E71.318 (E71.3) and apply to it just the same.