Unspecified protein-calorie malnutrition (E46) ICD-10-CM
The E46 code range covers unspecified protein-calorie malnutrition with 1 ICD-10-CM diagnosis codes. 1 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- Malnutrition NOS
- Protein-calorie imbalance NOS
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- nutritional deficiency NOS E63.9
Codes in the E46 Range 1 codes · 1 billable
- E46 Unspecified protein-calorie malnutrition
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the E46 range.
Malnutrition
An imbalanced nutritional status resulting from insufficient intake of nutrients to meet normal physiological requirement.
About the E46 Code Range
Malnutrition means taking in too few nutrients to meet the body’s normal needs. E46 sits in the malnutrition group and names protein-calorie malnutrition without specifying a more particular form. No further subdivisions appear under this category.
Questions About This Page
How many billable codes are in the E46 range?
Of the 1 codes in this range, 1 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the E46 range classify?
The range classifies unspecified protein-calorie malnutrition. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.