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2 Minute MedicineICD-10 Lookup

ICD-10-CM code · FY2027

E46 Unspecified protein-calorie malnutrition

BillableValid for claims as a specific diagnosis code

About E46

Code
E46
Billable
Yes
Short description
Unspecified protein-calorie malnutrition
Block
E40-E46 Malnutrition
Chapter
4 Endocrine, nutritional and metabolic diseases
Code set
FY2027, October 1, 2026 to September 30, 2027

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Coding notes for E46

Applicable to Other names for conditions reported with this code.

  • Malnutrition NOS
  • Protein-calorie imbalance NOS

Excludes1 Not coded here: never report these together with this code (use the code given instead).

  • nutritional deficiency NOS (E63.9)
Block E40-E46 notes (apply to every code in it)

Excludes1 Not coded here: never report these together with this code (use the code given instead).

  • intestinal malabsorption (K90.-)
  • sequelae of protein-calorie malnutrition (E64.0)

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

Chapter 4 notes (apply to every code in it)

Note

  • All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.

Excludes1 Not coded here: never report these together with this code (use the code given instead).

  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Other categories in E40-E46

Latest research on protein-calorie malnutrition

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