E61.2 – Magnesium deficiency

ICD-10-CM 2027 diagnosis code · Other nutritional deficiencies

Billable code

ICD-10-CM code E61.2

Code: E61.2 (claims format: E612)
Description: Magnesium deficiency
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: E61

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

E61 – Deficiency of other nutrient elements

Excludes1 (not coded here):

disorders of mineral metabolism (E83.-)
iodine deficiency related thyroid disorders (E00-E02)
sequelae of malnutrition and other nutritional deficiencies (E64.-)

Use additional code:

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Block E50-E64

Excludes2 (not included here):

nutritional anemias (D50-D53)

Index terms for E61.2

Entries in the ICD-10-CM alphabetic index that lead to this code:

Deficiency, deficient, magnesium

Related codes in E61

E61.0 – Copper deficiencyBillable
E61.1 – Iron deficiencyBillable
E61.3 – Manganese deficiencyBillable
E61.4 – Chromium deficiencyBillable
E61.5 – Molybdenum deficiencyBillable
E61.6 – Vanadium deficiencyBillable
E61.7 – Deficiency of multiple nutrient elementsBillable
E61.8 – Deficiency of other specified nutrient elementsBillable
E61.9 – Deficiency of nutrient element, unspecifiedBillable

Frequently asked questions

What is ICD-10 code E61.2?

E61.2 is the ICD-10-CM code for magnesium deficiency, in the block E50-E64 (Other nutritional deficiencies).

Is E61.2 a billable code?

Yes. E61.2 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does E61.2 belong to?

It belongs to category E61 – Deficiency of other nutrient elements.

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.