E31

Non-billable

Polyglandular dysfunction

E31 is the ICD-10-CM code for Polyglandular dysfunction. It is a non-billable category code — use a more specific child code such as E31.0 for billing.

Status
Header (non-billable)
Chapter
E00-E89
Subcodes
5
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

Excludes1 — not coded here

  • ataxia telangiectasia [Louis-Bar] (G11.3)
  • dystrophia myotonica [Steinert] (G71.11)
  • pseudohypoparathyroidism (E20.1)

Frequently asked questions

What is ICD-10 code E31?
E31 is the ICD-10-CM code for "Polyglandular dysfunction". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E31 a billable code?
No — E31 is a non-billable header code. Use a more specific child code (such as E31.0) for billing.
What are the subcodes of E31?
E31 has 5 more specific child codes, including E31.0, E31.1, E31.2.
What is excluded from E31?
Excludes1 (not coded here): ataxia telangiectasia [Louis-Bar] (G11.3); dystrophia myotonica [Steinert] (G71.11); pseudohypoparathyroidism (E20.1).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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