E55.9 – Vitamin D deficiency, unspecified
ICD-10-CM 2027 diagnosis code · Other nutritional deficiencies
ICD-10-CM code
E55.9
- Code
E55.9(claims format:E559)- Description
- Vitamin D deficiency, unspecified
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 4. Endocrine, nutritional and metabolic diseases (E00-E89)
- Block
- E50-E64 Other nutritional deficiencies
- Parent codes
- E55
Notes for E55.9
Applicable to:
- Avitaminosis D
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
E55 – Vitamin D deficiency
Excludes1 (not coded here):
Block E50-E64
Index terms for E55.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in E55
- E55.0 – Rickets, activeBillable
Frequently asked questions
What is ICD-10 code E55.9?
E55.9 is the ICD-10-CM code for vitamin D deficiency, unspecified, in the block E50-E64 (Other nutritional deficiencies).
Is E55.9 a billable code?
Yes. E55.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does E55.9 belong to?
It belongs to category E55 – Vitamin D deficiency.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.