Is E63.1 a billable ICD-10-CM code?

Yes. E63.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does E63.1 sit in the tabular list?

Endocrine, nutritional and metabolic diseases (E00-E89), in the block Other nutritional deficiencies (E50-E64).

E63.1

E63.1 — Imbalance of constituents of food intake

Billable / specific codeICD-10-CM

E63.1 is a billable, specific ICD-10-CM code for imbalance of constituents of food intake. It is valid for submission on a claim.

Excludes2 inherited from the categories above E63.1

Also inherited, and the opposite of Excludes1: these conditions are not part of E63.1, but a patient can have both, so you may code both.

Written on E63 — Other nutritional deficiencies

dehydration (E86.0)
failure to thrive, adult (R62.7)
failure to thrive, child (R62.51)
feeding problems in newborn (P92.-)
sequelae of malnutrition and other nutritional deficiencies (E64.-)

Risk adjustment

E63.1 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 E63.1 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 E63.1.

Imbalance›constituents of food intake

Code history

E63.1 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 E63. If E63.1 is not quite right, the correct code is usually one of these.

Questions about E63.1

Is E63.1 a billable ICD-10-CM code?: Yes. E63.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does E63.1 sit in the tabular list?: Endocrine, nutritional and metabolic diseases (E00-E89), in the block Other nutritional deficiencies (E50-E64).