E22
Header — not billableHyperfunction of pituitary gland
The ICD-10 code for hyperfunction of pituitary gland is E22.
E22 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 5 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- E20Hypoparathyroidismnon-billable header
- E21Hyperparathyroidism and other disorders of parathyroid glandnon-billable header
- E23Hypofunction and other disorders of the pituitary glandnon-billable header
- E24Cushing's syndromenon-billable header
- E25Adrenogenital disordersnon-billable header
- E26Hyperaldosteronismnon-billable header
- E27Other disorders of adrenal glandnon-billable header
- E28Ovarian dysfunctionnon-billable header
- E29Testicular dysfunctionnon-billable header
- E30Disorders of puberty, not elsewhere classifiednon-billable header
- E31Polyglandular dysfunctionnon-billable header
- E32Diseases of thymusnon-billable header
- E34Other endocrine disordersnon-billable header
- E35Disorders of endocrine glands in diseases classified elsewhere
- E22Hyperfunction of pituitary glandnon-billable header