All ICD10 Codes
E32Not billable, use a more specific code below

Diseases of thymus

In Disorders of other endocrine glands (E20-E35), chapter 4: Endocrine, Nutritional and Metabolic Diseases

4 billable codes under E32: 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.

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Instructional notes

Excludes1: not coded here, use a different code

  • aplasia or hypoplasia of thymus with immunodeficiency (D82.1)
  • myasthenia gravis (G70.0)

Also applies, from Disorders of other endocrine glands (E20-E35)

These notes sit on E20-E35 and apply to every code under it, including E32.

Excludes1: not coded here, use a different code

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)

All codes under E32

E32 can't be used on a claim. Pick a billable code below; grey headings group them.

E32 MS-DRGs

As the principal diagnosis, the billable codes under E32 group to MS-DRG 814, 815, 816, 791, or 793 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Code history

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