DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

E31 Polyglandular dysfunction

  • Header · not billable

E31 is not billable. The category heads 8 billable codes in FY2027, grouped under 5 subdivisions.

Index → code

  • Sipple's syndrome → E31.22
  • Wermer's disease or syndrome → E31.21
  • Endocrinopathy, pluriglandular → E31.9

Where it sits

  1. Chapter 4 Endocrine, nutritional and metabolic diseases (E00-E89)
  2. E20-E35 Disorders of other endocrine glands (E20-E35)
  3. E31 Polyglandular dysfunction
Billable codes
8
Subdivisions
5
CC / MCC codes
0 / 0
HCC V28 codes
8
New FY2027
0
Index entries
37

Codes in E31

  1. E31.0
    Autoimmune polyglandular failure
    Billable51
    Inclusion terms 1

    Inclusion terms

    • Schmidt's syndrome
  2. E31.1
    Polyglandular hyperfunction
    Billable51
    Excludes1 2

    Excludes1

    • multiple endocrine adenomatosis (E31.2-) E31.2
    • multiple endocrine neoplasia (E31.2-) E31.2
  3. E31.2
    Multiple endocrine neoplasia [MEN] syndromes
    Header
    Inclusion terms 1, Code also 1

    Inclusion terms

    • Multiple endocrine adenomatosis

    Code also

    • any associated malignancies and other conditions associated with the syndromes
  4. E31.20
    Multiple endocrine neoplasia [MEN] syndrome, unspecified
    Billable51
    Inclusion terms 2

    Inclusion terms

    • Multiple endocrine adenomatosis NOS
    • Multiple endocrine neoplasia [MEN] syndrome NOS
  5. E31.21
    Multiple endocrine neoplasia [MEN] type I
    Billable51
    Inclusion terms 1

    Inclusion terms

    • Wermer's syndrome
  6. E31.22
    Multiple endocrine neoplasia [MEN] type IIA
    Billable51
    Inclusion terms 1

    Inclusion terms

    • Sipple's syndrome
  7. E31.23
    Multiple endocrine neoplasia [MEN] type IIB
    Billable51
  8. E31.8
    Other polyglandular dysfunction
    Billable51
  9. E31.9
    Polyglandular dysfunction, unspecified
    Billable51

Sources of each column.

Instructions

At E31

Excludes1

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

Notes that also apply

Block E20-E35 instructions (Excludes1 2): printed on the block page.

Chapter 4 instructions (Notes 1, Excludes1 1): printed on the chapter 4 page.

Index entries

  • Schmidt's syndrome (polyglandular, autoimmune) → E31.0
  • Wermer's disease or syndrome → E31.21
  • Sipple's syndrome → E31.22
  • Endocrinopathy, pluriglandular → E31.9
  • Failure, failedpolyglandular, autoimmune → E31.0
  • Insufficiency, insufficientprogressive pluriglandular → E31.0
  • Polyglandulardeficiency → E31.0
  • Syndromeautoimmune polyglandular → E31.0
  • Syndromethyroid-adrenocortical insufficiency → E31.0
  • Hyperfunctionpolyglandular → E31.1
  • Adenomatosisendocrine (multiple) → E31.20
  • Neoplasiaendocrine, multiple (MEN) → E31.20
  • Disease, diseasedWermer's → E31.21
  • SyndromeWermer's → E31.21
  • SyndromeSipple's → E31.22
  • Atrophy, atrophic (of)pluriglandular → E31.8
  • Deficiency, deficientpolyglandular → E31.8
  • Dystrophy, dystrophiapolyglandular → E31.8
  • Polyglandularsyndrome → E31.8
  • Sclerosis, scleroticpluriglandular → E31.8
  • Sclerosis, scleroticpolyglandular → E31.8
  • Syndromepluriglandular (compensatory) → E31.8
  • Syndromepolyglandular → E31.8
  • Disturbance(s)polyglandular → E31.9
  • Dyscrasiapolyglandular, pluriglandular → E31.9
  • Dysfunctionpolyglandular → E31.9
  • Polyglandulardyscrasia → E31.9
  • Polyglandulardysfunction → E31.9
  • Atrophy, atrophic (of)pluriglandularautoimmune → E31.0
  • Deficiency, deficientpolyglandularautoimmune → E31.0
  • Syndromepluriglandular (compensatory)autoimmune → E31.0
  • Syndromepolyglandularautoimmune → E31.0
  • Neoplasiaendocrine, multiple (MEN)type I → E31.21
  • Neoplasiaendocrine, multiple (MEN)type IIA → E31.22
  • Neoplasiaendocrine, multiple (MEN)type IIB → E31.23
  • Disturbance(s)polyglandularspecified NEC → E31.8
  • Dysfunctionpolyglandularspecified NEC → E31.8

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy