E31 ICD-10-CM Code: Polyglandular dysfunction
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
E31Polyglandular dysfunction
ICD-10-CM diagnosis code · United States clinical modification
Where E31 sits
- 1
Chapter 4
Endocrine, nutritional and metabolic diseases (E00-E89)
- 2
Section
Disorders of other endocrine glands (E20-E35)
- 3
Category E31
Polyglandular dysfunction
- 4
Code E31
Polyglandular dysfunction
Codes under E31
E31 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for E31.
Code first
No “code first” instruction is listed for E31.
Use additional code
No “use additional code” instruction is listed for E31.
Excludes1
Conditions that should not be reported together with this code.
- ataxia telangiectasia [Louis-Bar] (G11.3)
- dystrophia myotonica [Steinert] (G71.11)
- pseudohypoparathyroidism (E20.1)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for E31.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code E31 mean?
E31 is the FY 2027 U.S. ICD-10-CM code for “Polyglandular dysfunction.”
Is E31 a billable or specific ICD-10-CM code?
No. E31 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is E31 located in ICD-10-CM?
E31 is listed in Chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89), within Disorders of other endocrine glands (E20-E35) (E20–E35), under category E31, Polyglandular dysfunction.
What coding notes are listed for E31?
No inclusion terms are listed for E31 in this reference record. No code-first instruction is listed. Excludes1 notes: ataxia telangiectasia [Louis-Bar] (G11.3); dystrophia myotonica [Steinert] (G71.11); pseudohypoparathyroidism (E20.1). No Excludes2 note is listed.