E31.8 – Other polyglandular dysfunction

ICD-10-CM 2027 diagnosis code · Disorders of other endocrine glands

Billable code

ICD-10-CM code E31.8
Code
E31.8 (claims format: E318)
Description
Other polyglandular dysfunction
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
E20-E35 Disorders of other endocrine glands
Parent codes
E31

Notes inherited from parent codes

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

E31 – Polyglandular dysfunction

Excludes1 (not coded here):
  • ataxia telangiectasia [Louis-Bar] (G11.3)
  • dystrophia myotonica [Steinert] (G71.11)
  • pseudohypoparathyroidism (E20.1)

Block E20-E35

Excludes1 (not coded here):

Index terms for E31.8

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

Related codes in E31

Frequently asked questions

What is ICD-10 code E31.8?

E31.8 is the ICD-10-CM code for other polyglandular dysfunction, in the block E20-E35 (Disorders of other endocrine glands).

Is E31.8 a billable code?

Yes. E31.8 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does E31.8 belong to?

It belongs to category E31 – Polyglandular dysfunction.

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.