DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

E34 Other endocrine disorders

  • Header · not billable

E34 is not billable. The category heads 18 billable codes in FY2027, grouped under 8 subdivisions.

Index → code

Where it sits

  1. Chapter 4 Endocrine, nutritional and metabolic diseases (E00-E89)
  2. E20-E35 Disorders of other endocrine glands (E20-E35)
  3. E34 Other endocrine disorders
Billable codes
18
Subdivisions
8
CC / MCC codes
3 / 0
HCC V28 codes
3
New FY2027
0
Index entries
119

Codes in E34

  1. E34.0
    Carcinoid syndrome
    Header
    Code also 3

    Code also

    • the underlying disorder, such as:
    • primary neuroendocrine tumors (C7A.-) C7A
    • secondary neuroendocrine tumors (C7B.-) C7B
  2. E34.00
    Carcinoid syndrome, unspecified
    BillableCC17
    Inclusion terms 1

    Inclusion terms

    • Carcinoid disease, unspecified
  3. E34.01
    Carcinoid heart syndrome
    BillableCC17
    Inclusion terms 2

    Inclusion terms

    • Carcinoid heart disease
    • Hedinger syndrome
  4. E34.09
    Other carcinoid syndrome
    BillableCC17
    Inclusion terms 3

    Inclusion terms

    • Carcinoid disease NEC
    • Carcinoid syndrome NEC
    • Other carcinoid disease
  5. E34.1
    Other hypersecretion of intestinal hormones
    Billable
  6. E34.2
    Ectopic hormone secretion, not elsewhere classified
    Billable
    Excludes1 1

    Excludes1

    • ectopic ACTH syndrome (E24.3) E24.3
  7. E34.3
    Short stature due to endocrine disorder
    Header
    Excludes1 11

    Excludes1

    • achondroplastic short stature (Q77.4) Q77.4
    • hypochondroplastic short stature (Q77.4) Q77.4
    • nutritional short stature (E45) E45
    • pituitary short stature (E23.0) E23.0
    • progeria (E34.8) E34.8
    • renal short stature (N25.0) N25.0
    • Russell-Silver syndrome (Q87.19) Q87.19
    • short-limbed stature with immunodeficiency (D82.2) D82.2
    • short stature (child) (R62.52) R62.52
    • short stature in specific dysmorphic syndromes - code to syndrome - see Alphabetical Index
    • short stature NOS (R62.52) R62.52
  8. E34.30
    Short stature due to endocrine disorder, unspecified
    Billable
  9. E34.31
    Constitutional short stature
    Billable
    Inclusion terms 1

    Inclusion terms

    • Constitutional delay of growth, puberty, or maturation
  10. E34.32
    Genetic causes of short stature
    Header
  11. E34.321
    Primary insulin-like growth factor-1 (IGF-1) deficiency
    Billable
    Inclusion terms 7

    Inclusion terms

    • Acid-labile subunit gene (IGFALS) defect
    • Growth hormone gene 1 (GH1) defect with growth hormone neutralizing antibodies
    • Growth hormone insensitivity syndrome (GHIS)
    • Insulin-like growth factor 1 gene (IGF1) defect
    • Laron type short stature
    • Severe primary insulin-like growth factor-1 deficiency (SPIGFD)
    • Signal transducer and activator of transcription 5B gene (STAT5b) defect
  12. E34.322
    Insulin-like growth factor-1 (IGF-1) resistance
    Billable
    Inclusion terms 3

    Inclusion terms

    • Genetic syndrome with resistance to insulin-like growth factor-1
    • Insulin-like growth factor-1 receptor (IGF-1R) defect
    • Post-insulin-like growth factor-1 receptor signaling defect
  13. E34.328
    Other genetic causes of short stature
    Billable
    Inclusion terms 3

    Inclusion terms

    • Short stature due to ACAN gene variant
    • Short stature due to aggrecan deficiency
    • Short stature due to NPR-2 gene variant
  14. E34.329
    Unspecified genetic causes of short stature
    Billable
  15. E34.39
    Other short stature due to endocrine disorder
    Billable
  16. E34.4
    Constitutional tall stature
    Billable
    Inclusion terms 1

    Inclusion terms

    • Constitutional gigantism
  17. E34.5
    Androgen insensitivity syndrome
    Header
  18. E34.50
    Androgen insensitivity syndrome, unspecified
    Billable
    Inclusion terms 1

    Inclusion terms

    • Androgen insensitivity NOS
  19. E34.51
    Complete androgen insensitivity syndrome
    Billable
    Inclusion terms 3

    Inclusion terms

    • Complete androgen insensitivity
    • de Quervain syndrome
    • Goldberg-Maxwell syndrome
  20. E34.52
    Partial androgen insensitivity syndrome
    Billable
    Inclusion terms 2

    Inclusion terms

    • Partial androgen insensitivity
    • Reifenstein syndrome
  21. E34.8
    Other specified endocrine disorders
    Billable
    Inclusion terms 2, Excludes2 1

    Inclusion terms

    • Pineal gland dysfunction
    • Progeria

    Excludes2

    • pseudohypoparathyroidism (E20.1) E20.1
  22. E34.9
    Endocrine disorder, unspecified
    Billable
    Inclusion terms 2

    Inclusion terms

    • Endocrine disturbance NOS
    • Hormone disturbance NOS

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At E34

Excludes1

  • 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

  • Carcinoidosis → E34.00
  • Björck (-Thorson) syndrome (malignant carcinoid) → E34.09
  • Cassidy (-Scholte) syndrome (malignant carcinoid) → E34.09
  • Flush syndrome → E34.09
  • Scholte's syndrome (malignant carcinoid) → E34.09
  • Thorson-Björck syndrome → E34.09
  • Dwarfism → E34.328
  • Tall stature, constitutional → E34.4
  • Androgen insensitivity syndrome → E34.50
  • Androgen resistance syndrome → E34.50
  • Goldberg-Maxwell syndrome → E34.51
  • Reifenstein syndrome → E34.52
  • Donohue's syndrome → E34.8
  • Gilford-Hutchinson disease → E34.8
  • Hutchinson-Gilford disease or syndrome → E34.8
  • Hyperpinealism → E34.8
  • Hypopinealism → E34.8
  • Leprechaunism → E34.8
  • Pellizzi's syndrome → E34.8
  • Progeria → E34.8
  • Werner's disease or syndrome → E34.8
  • Dysendocrinism → E34.9
  • Disease, diseasedcarcinoid → E34.00
  • Syndromecarcinoid → E34.00
  • Syndromemetastatic carcinoid → E34.00
  • Carcinoidosisheart → E34.01
  • SyndromeHedinger's → E34.01
  • Argentaffinomasyndrome → E34.09
  • Syndromeargentaffin, argintaffinoma → E34.09
  • SyndromeBjörck (-Thorsen) → E34.09
  • SyndromeCassidy (-Scholte) → E34.09
  • Syndromeflush → E34.09
  • SyndromeScholte's → E34.09
  • SyndromeThorson-Björck → E34.09
  • Ectopic, ectopia (congenital)hormone secretion NEC → E34.2
  • Dwarfismconstitutional → E34.31
  • DwarfismLaron-type → E34.321
  • Dwarfismcongenital → E34.328
  • Dwarfisminfantile → E34.328
  • Gigantism (cerebral) (hypophyseal) (pituitary)constitutional → E34.4

79 more, longer entries are not listed; the search box finds them by word.

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

Hierarchy