E59Billable, valid for claims from October 1, 2026

Dietary selenium deficiency

In Other nutritional deficiencies (E50-E64), chapter 4: Endocrine, Nutritional and Metabolic Diseases

  • E59 is billable and valid on claims for FY 2027. If the record has more detail, check the other codes under E50-E64 below.
  • As a secondary diagnosis it is not a CC or MCC, so it doesn't raise the MS-DRG payment.
  • Doesn't count toward a Medicare Advantage risk score (no HCC in V28).
  • AHRQ's Chronic Condition Indicator classes it as not chronic (an acute or short-term condition).

Also indexed as: Deficiency, selenium; Disease, Keshan; Keshan disease; Selenium deficiency

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Instructional notes

Includes: conditions that are coded here

  • Keshan disease

Excludes1: not coded here, use a different code

  • sequelae of selenium deficiency (E64.8)

Also applies, from Other nutritional deficiencies (E50-E64)

These notes sit on E50-E64 and apply to every code under it, including E59.

Excludes2: not included here, code separately if applicable

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers diabetes mellitus coding, including type, insulin and drug use, pump malfunction and secondary diabetes, plus obesity and obesity class codes.

Read Section I.C.4 (page 39)

E59 MS-DRGs

As the principal diagnosis, E59 groups to MS-DRG 640 or 641 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Related conditions

Grouped by AHRQ's Clinical Classifications Software Refined (CCSR), which sorts every diagnosis code into clinically meaningful categories.

E59 is in Nutritional deficiencies (END007, its default category), with 44 codes. Others in it:

  • E50.0 Vitamin A deficiency with conjunctival xerosis
  • E50.1 Vitamin A deficiency with Bitot's spot and conjunctival xerosis
  • E50.2 Vitamin A deficiency with corneal xerosis
  • E50.3 Vitamin A deficiency with corneal ulceration and xerosis
  • E50.4 Vitamin A deficiency with keratomalacia
  • E50.5 Vitamin A deficiency with night blindness
  • E50.6 Vitamin A deficiency with xerophthalmic scars of cornea
  • E50.7 Other ocular manifestations of vitamin A deficiency

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Malnutrition

Malnutrition means that your body isn't getting enough calories or the right balance of nutrients to stay healthy. This can happen if you don't get enough protein, carbohydrates, and fats, eat too much unhealthy food, or don't get the vitamins and minerals your body needs.

Read more about malnutrition on MedlinePlus

Minerals

Minerals are important for your body to stay healthy. Your body uses minerals for many different jobs, including keeping your bones, muscles, heart, and brain working properly. Minerals are also important for making enzymes and hormones.

Read more about minerals on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.

ICD-9-CM equivalent

Legacy crosswalk from the CMS General Equivalence Mappings (last updated 2018).

  • 269.3 Mineral deficiency, not elsewhere classified (approximate)
ICD-9 to ICD-10 converter