ICD-10-CM FY2027 diagnosis code

E55.9: Vitamin D deficiency, unspecified

Billable codeValid for dates of service October 1, 2026 to September 30, 2027

E55.9 is a billable ICD-10-CM diagnosis code for vitamin d deficiency, unspecified. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.

Other codes in E55 Vitamin D deficiency

E55.9 questions

Is E55.9 a billable code?

Yes. E55.9 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.

What does E55.9 mean?

E55.9 is the ICD-10-CM code for Vitamin D deficiency, unspecified. It is in chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.