Is ICD-10-CM code E64 billable?

No, E64 (Sequelae of malnutrition and other nutritional deficiencies) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code E64 belong to?

E64 belongs to Chapter 4 of the ICD-10-CM tabular list: E00–E89 (Endocrine, Nutritional and Metabolic Diseases).

E64Not billable, use a more specific code below

Sequelae of malnutrition and other nutritional deficiencies

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

6 billable codes under E64: 1 is a CC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.

Instructional notes

Code first: code the underlying condition first, then this code

condition resulting from (sequela) of malnutrition and other nutritional deficiencies

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

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

Excludes2: not included here, code separately if applicable

nutritional anemias (D50-D53)

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.

Diabetes mellitus (page 39)
Obesity (page 42)

Read Section I.C.4 (page 39)

All codes under E64

E64 can't be used on a claim. Pick a billable code below; grey headings group them.

E64 MS-DRGs

As the principal diagnosis, the billable codes under E64 group to MS-DRG 640, 641, 553, 554, 791, or 793 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

DRG 640 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes with MCC (5 of 6 codes)
DRG 641 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes without MCC (5 of 6 codes)
DRG 553 Bone Diseases and Arthropathies with MCC (1 of 6 codes)
DRG 554 Bone Diseases and Arthropathies without MCC (1 of 6 codes)
DRG 791 Prematurity with Major Problems (1 of 6 codes)
DRG 793 Full Term Neonate with Major Problems (1 of 6 codes)

Other codes that refer to E64

Notes on these codes point to E64.

E61 Excludes1: sequelae of malnutrition and other nutritional deficiencies (E64.-)
E63 Excludes2: sequelae of malnutrition and other nutritional deficiencies (E64.-)
G63 Code First: nutritional deficiency (E40-E64)
P00.4 Includes: Newborn affected by maternal disorders classifiable to E40-E64
Z72.4 Excludes1: malnutrition and other nutritional deficiencies (E40-E64)

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.

Code history

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