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E63.9

E63.9: Nutritional deficiency, unspecified

Billable / specific codeICD-10-CM

E63.9 is a billable, specific ICD-10-CM code for nutritional deficiency, unspecified. It is valid for submission on a claim.

Check E63.9 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above E63.9

Not part of this code, but both may be coded when both are present.

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.-)

Other codes that can never be billed with E63.9

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • E46Unspecified protein-calorie malnutrition

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

E63.9 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography

Alphabetic index entries that lead here

  • Nutrition deficient or insufficient
  • Cardiomyopathy›nutritional
  • Deficiency, deficient›diet
  • Deficiency, deficient›nutrition, nutritional
  • Dietary›inadequacy or deficiency
  • Disease, diseased›nutritional
  • Disturbance›nutritional
  • Gastritis›due to diet deficiency
  • Inadequate, inadequacy›diet(causing nutritional deficiency)
  • Insufficiency, insufficient›dietary
  • Polyneuritis, polyneuritic›nutritional
  • Polyneuropathy›nutritional NEC

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under E63

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.