2021

  1. ICD-10-CM Codes
    2. ›
  2. E00-E89 Endocrine, nutritional and metabolic diseases
    3. ›
  3. E20-E35 Disorders of other endocrine glands
    4. ›
  4. E23- Hypofunction and other disorders of the pituitary gland
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code E23.6

2021 ICD-10-CM Diagnosis Code E23.6

Other disorders of pituitary gland

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • E23.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM E23.6 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of E23.6 - other international versions of ICD-10 E23.6 may differ.
Applicable To
  • Abscess of pituitary
  • Adiposogenital dystrophy
The following code(s) above E23.6 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to E23.6:
  • E00-E89
    2021 ICD-10-CM Range E00-E89

    Endocrine, nutritional and metabolic diseases

    Note
    • 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.
    Type 1 Excludes
    • transitory endocrine and metabolic disorders specific to newborn (P70-P74)
    Endocrine, nutritional and metabolic diseases
  • E20-E35
    2021 ICD-10-CM Range E20-E35

    Disorders of other endocrine glands

    Type 1 Excludes
    Disorders of other endocrine glands
  • E23
    ICD-10-CM Diagnosis Code E23

    Hypofunction and other disorders of the pituitary gland

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Includes
    • the listed conditions whether the disorder is in the pituitary or the hypothalamus
    Type 1 Excludes
    • postprocedural hypopituitarism (E89.3)
    Hypofunction and other disorders of the pituitary gland
Approximate Synonyms
  • Abscess of pituitary
  • Cyst, pituitary
  • Disorder of posterior pituitary
  • Empty sella syndrome
  • Hypophysitis, lymphocytic granulomatous
  • Hypothalamic insufficiency, secondary
  • Lymphocytic granulomatous hypophysitis
  • Pituitary cyst
  • Pituitary disorder, posterior
  • Rathke's pouch cyst
  • Rathkes pouch cyst
  • Secondary hypothalamic insufficiency
ICD-10-CM E23.6 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 643 Endocrine disorders with mcc
  • 644 Endocrine disorders with cc
  • 645 Endocrine disorders without cc/mcc

Convert E23.6 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
Code annotations containing back-references to E23.6:
  • Type 1 Excludes: E66
    ICD-10-CM Diagnosis Code E66

    Overweight and obesity

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code First
    • obesity complicating pregnancy, childbirth and the puerperium, if applicable (O99.21-)
    Type 1 Excludes
    • adiposogenital dystrophy (E23.6)
    • lipomatosis NOS (E88.2)
    • lipomatosis dolorosa [Dercum] (E88.2)
    • Prader-Willi syndrome (Q87.11)
    Use Additional
    • code to identify body mass index (BMI), if known (Z68.-)

Diagnosis Index entries containing back-references to E23.6:
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
    ICD-10-CM Diagnosis Code L02.91

    Cutaneous abscess, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • pituitary E23.6 (gland)
  • Adiposis - see also Obesity
    • cerebralis E23.6
  • Adiposogenital dystrophy E23.6
  • Cyst (colloid) (mucous) (simple) (retention)
    • hypophysis, hypophyseal (duct) (recurrent) E23.6
      • cerebri E23.6
    • craniobuccal pouch E23.6
    • craniopharyngeal pouch E23.6
    • intrasellar E23.6
    • pituitary E23.6 (duct) (gland)
    • Rathke's pouch E23.6
  • Degeneration, degenerative
    • pituitary E23.6 (gland)
  • Disorder (of) - see also Disease
    • pituitary gland E23.7
      ICD-10-CM Diagnosis Code E23.7

      Disorder of pituitary gland, unspecified

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • specified NEC E23.6
  • Dystrophy, dystrophia
    • adiposogenital E23.6
  • Embolism (multiple) (paradoxical) I74.9
    ICD-10-CM Diagnosis Code I74.9

    Embolism and thrombosis of unspecified artery

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • pituitary E23.6
  • Fröhlich's syndrome E23.6
  • Hemorrhage, hemorrhagic (concealed) R58
    ICD-10-CM Diagnosis Code R58

    Hemorrhage, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Hemorrhage NOS
    Type 1 Excludes
    • hemorrhage included with underlying conditions, such as:
    • acute duodenal ulcer with hemorrhage (K26.0)
    • acute gastritis with bleeding (K29.01)
    • ulcerative enterocolitis with rectal bleeding (K51.01)
    • pituitary E23.6 (gland)
  • Hypertrophy, hypertrophic
    • pituitary E23.6 (anterior) (fossa) (gland)
  • Hypoplasia, hypoplastic
  • Infarct, infarction
    • hypophysis E23.6 (anterior lobe)
    • pituitary E23.6 (gland)
  • Obesity E66.9
    ICD-10-CM Diagnosis Code E66.9

    Obesity, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Questionable As Admission Dx
    Applicable To
    • Obesity NOS
    • pituitary E23.6
  • Syndrome - see also Disease
    • adiposogenital E23.6

ICD-10-CM Codes Adjacent To E23.6
E22.0 Acromegaly and pituitary gigantism
E22.1 Hyperprolactinemia
E22.2 Syndrome of inappropriate secretion of antidiuretic hormone
E22.8 Other hyperfunction of pituitary gland
E22.9 Hyperfunction of pituitary gland, unspecified
E23 Hypofunction and other disorders of the pituitary gland
E23.0 Hypopituitarism
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
E24 Cushing's syndrome
E24.0 Pituitary-dependent Cushing's disease
E24.1 Nelson's syndrome
E24.2 Drug-induced Cushing's syndrome
E24.3 Ectopic ACTH syndrome
E24.4 Alcohol-induced pseudo-Cushing's syndrome
E24.8 Other Cushing's syndrome
E24.9 Cushing's syndrome, unspecified
E25 Adrenogenital disorders

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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