All ICD10 Codes

E55.9

Billable
ChapterE00–E89
Ranksubcategory
Official Description

Vitamin D deficiency, unspecified

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 4: Endocrine, Nutritional and Metabolic Diseases (E00-E89).

Instructional Notes

Includes
  • Avitaminosis D
General instructions are available for the parent sections:
View CH4 NotesView E50-E64 NotesView E55 Notes

Clinical Hierarchy

BillableHas subcodes
CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E50-E64Other nutritional deficiencies (E50-E64)
E55Vitamin D deficiency
E55.9Vitamin D deficiency, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E55.9:

categoryE55
Vitamin D deficiency
View context instructions
blockE50-E64
Other nutritional deficiencies (E50-E64)
View context instructions
chapterCH4
Endocrine, nutritional and metabolic diseases (E00-E89)
View context instructions

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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