E63.9
Billable codeNutritional deficiency, unspecified
The ICD-10 code for nutritional deficiency, unspecified is E63.9.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- E63.0Essential fatty acid [EFA] deficiency
- E63.1Imbalance of constituents of food intake
- E63.8Other specified nutritional deficiencies
- E63.9Nutritional deficiency, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2699Approximate match
Associated MS-DRGs
E63.9 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.