ICD-10/E61.2

E61.2 ICD 2026 Code: Magnesium deficiency

E61.2 is the authoritative medical code for Magnesium deficiency. This classification is used in medical billing and clinical recording to specify the clinical criteria for magnesium deficiency (ICD-10-CM E61.2), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Magnesium deficiency is a billable ICD-10-CM diagnosis code E61.2. Excludes1 (not coded here): disorders of mineral metabolism E83.-; iodine deficiency related thyroid disorders E00-E02; sequelae of malnutrition and other nutritional deficiencies E64.-. Excludes2 (not included here): nutritional anemias D50-D53. Use additional code: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for E61.2 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

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

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • nutritional anemias D50-D53

Use Additional Code

Supplementary codes the tabular list directs you to add.

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

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with E61.2?

Per Excludes1 instructions, E61.2 must not be reported with: disorders of mineral metabolism (E83.-); iodine deficiency related thyroid disorders (E00-E02); sequelae of malnutrition and other nutritional deficiencies (E64.-).

Can E61.2 be reported alongside related conditions?

Per Excludes2 instructions, E61.2 and the following may both be reported when both are present: nutritional anemias (D50-D53).

Is an additional code needed with E61.2?

Use additional code(s) to specify: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).

Codes in This Family (10)

Official ICD-10-CM classifications in the same code family as E61.2, with their registry titles.

  • E61 — Deficiency of other nutrient elements
  • E61.0 — Copper deficiency
  • E61.1 — Iron deficiency
  • E61.3 — Manganese deficiency
  • E61.4 — Chromium deficiency
  • E61.5 — Molybdenum deficiency
  • E61.6 — Vanadium deficiency
  • E61.7 — Deficiency of multiple nutrient elements
  • E61.8 — Deficiency of other specified nutrient elements
  • E61.9 — Deficiency of nutrient element, unspecified

Indexed Clinical Terms (1)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Deficiency, deficient, magnesium

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code E64.2 Sequelae of vitamin C deficiency
ICD Code E66.2 Morbid (severe) obesity with alveolar hypoventilation
MedCoder.aiClinical Desktop