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E23.0

Hypopituitarism

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 5 never code together
E23code
Excludes1
  • postprocedural hypopituitarism (E89.3)E89.3
  • short stature due to endocrine disorder (E34.3-)E34.3-
E20-E35block
Excludes1
  • galactorrhea (N64.3)N64.3
  • gynecomastia (N62)N62
E00-E89chapter
Excludes1
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)P70-P74

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Instructional notes 18
E23.0code
Inclusion terms
  • Fertile eunuch syndrome
  • Hypogonadotropic hypogonadism
  • Idiopathic growth hormone deficiency
  • Isolated deficiency of gonadotropin
  • Isolated deficiency of growth hormone
  • Isolated deficiency of pituitary hormone
  • Kallmann's syndrome
  • Lorain-Levi short stature
  • Necrosis of pituitary gland (postpartum)
  • Panhypopituitarism
  • Pituitary cachexia
  • Pituitary insufficiency NOS
  • Pituitary short stature
  • Sheehan's syndrome
  • Simmonds' disease
Use additional code
  • code, if applicable, for associated cachexia (E88.A)E88.AE88.A
E23code
Includes
  • the listed conditions whether the disorder is in the pituitary or the hypothalamus
E00-E89chapter
Notes
  • All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.E05.8E07.0E16-E31E34.-
Index entries leading here 25
  • Hyposecretion
  • Ahumada-del Castillo syndrome E23.0
  • Deficiency, deficient
    • hormone
    • pituitary hormone (isolated) E23.0
    • growth hormone (idiopathic) (isolated) E23.0
    • gonadotropin (isolated) E23.0
  • Infertility
    • female N97.9
      • associated with
        • pituitary-hypothalamic origin E23.0
  • Brissaud's
    • infantilism or dwarfism E23.0
  • Cachexia R64
  • Decrease (d)
    • function
      • pituitary (gland) (anterior) (lobe) E23.0
      • ovary in hypopituitarism E23.0
  • Hypophyseal, hypophysis — see also condition
  • Dwarfism E34.328
  • Eunuchoidism E29.1
  • Syndrome — see also Disease
    • fertile eunuch E23.0
    • hypopituitarism E23.0
    • infantilism (pituitary) E23.0
    • postpartum panhypopituitary (Sheehan) E23.0
  • Fertile eunuch syndrome E23.0
  • Hypoadrenocorticism E27.40
  • Hypofunction
    • pituitary (gland) (anterior) E23.0
  • Hypogonadism
  • Myopathy G72.9
    • in (due to)
  • Hypopituitarism (juvenile) E23.0
  • Infancy, infantile, infantilism — see also condition
  • Insufficiency, insufficient
  • Kallmann's syndrome E23.0
  • Lorain (-Levi) short stature syndrome E23.0
  • Necrosis, necrotic (ischemic) — see also Gangrene
    • pituitary (gland) E23.0
  • Panhypopituitarism E23.0
  • Sheehan's disease or syndrome E23.0
  • Simmonds' cachexia or disease E23.0
Alongside this code 5 same parent — E23
E23.1 Drug-induced hypopituitarism E23.2 Diabetes insipidus E23.3 Hypothalamic dysfunction, not elsewhere classified E23.6 Other disorders of pituitary gland E23.7 Disorder of pituitary gland, unspecified
Medications 1
2 Hypopituitarism drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

CMS22HCC23 ESRD21HCC23 ESRD24HCC23 RX08HCC43

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This code

Billable
yes
Code set
FY2026
Parent
E23
Block
E20-E35
Siblings
5

Present FY2024–FY2027.