ICD-10-CM code · FY2027
E22 Hyperfunction of pituitary gland
Header codeNot billable: use one of the 5 billable codes below
About E22
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Coding notes for E22
Excludes1 Not coded here: never report these together with this code (use the code given instead).
Block E20-E35 notes (apply to every code in it)
Chapter 4 notes (apply to every code in it)
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.
Codes under E22 5
Other categories in E20-E35
- E20 HypoparathyroidismHeader
- E21 Hyperparathyroidism and other disorders of parathyroid glandHeader
- E23 Hypofunction and other disorders of the pituitary glandHeader
- E24 Cushing's syndromeHeader
- E25 Adrenogenital disordersHeader
- E26 HyperaldosteronismHeader
- E27 Other disorders of adrenal glandHeader
- E28 Ovarian dysfunctionHeader
- E29 Testicular dysfunctionHeader
- E30 Disorders of puberty, not elsewhere classifiedHeader
- E31 Polyglandular dysfunctionHeader
- E32 Diseases of thymusHeader
- E34 Other endocrine disordersHeader
- E35 Disorders of endocrine glands in diseases classified elsewhereBillable
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See 2MM+ plansICD-10-CM FY2027 code set, as published by the CDC National Center for Health Statistics (NCHS) and CMS, effective October 1, 2026 to September 30, 2027. Codes, titles and notes are shown as published. Check payer rules and the official guidelines before billing. This page is not medical advice.
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