E22.2
Billable codeSyndrome of inappropriate secretion of antidiuretic hormone
The ICD-10 code for syndrome of inappropriate secretion of antidiuretic hormone is E22.2.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- E22.0Acromegaly and pituitary gigantism
- E22.1Hyperprolactinemia
- E22.8Other hyperfunction of pituitary gland
- E22.9Hyperfunction of pituitary gland, unspecified
- E22.2Syndrome of inappropriate secretion of antidiuretic hormone
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2536
Associated MS-DRGs
E22.2 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.