E64.9

Billable
ChapterE00–E89
Ranksubcategory
Official Description

Sequelae of unspecified nutritional deficiency

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 4: Endocrine, Nutritional and Metabolic Diseases (E00-E89).
General instructions are available for the parent sections:
View CH4 NotesView E50-E64 NotesView E64 Notes

Clinical Hierarchy

CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E50-E64Other nutritional deficiencies (E50-E64)
E64Sequelae of malnutrition and other nutritional deficiencies
E64.9Sequelae of unspecified nutritional deficiency

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E64.9:

categoryE64
Sequelae of malnutrition and other nutritional deficiencies
View context instructions
blockE50-E64
Other nutritional deficiencies (E50-E64)
View context instructions
chapterCH4
Endocrine, nutritional and metabolic diseases (E00-E89)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to E64.9. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths
Sequelae (of)1 unique routes
nutritional deficiency→E64.9

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 640
Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes with MCC
DRG 641
Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes without MCC

Cross Reference

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