ICD-10-CM 2027
ICD-10 code for insipidus diabetes
From the official ICD-10-CM alphabetic index entry “Diabetes, diabetic (mellitus) (sugar) › insipidus”. Page updated September 29, 2026.
About coding insipidus diabetes
The ICD-10-CM code for insipidus diabetes is E23.2 (Diabetes insipidus). The official index lists 3 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on E23.2.
Within E23 (hypofunction and other disorders of the pituitary gland), E23.2 is specifically for diabetes insipidus. Related codes cover hypopituitarism (E23.0), drug-induced hypopituitarism (E23.1), hypothalamic dysfunction, not elsewhere classified (E23.3), other disorders of pituitary gland (E23.6) and disorder of pituitary gland, unspecified (E23.7).
Don't report E23.2 together with the conditions in its Excludes1 note: nephrogenic diabetes insipidus (N25.1).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
More specific insipidus diabetes codes (official index)
Don't confuse with (Excludes1 for E23.2)
- nephrogenic diabetes insipidus (N25.1)
Common questions about insipidus diabetes ICD-10 codes
What is the ICD-10 code for insipidus diabetes?
- E23.2 — Diabetes insipidus. More specific codes apply when the documentation supports them: N25.1, E23.2, N25.1.
What is the ICD-10 code for nephrogenic insipidus diabetes?
- N25.1 — Nephrogenic diabetes insipidus.
What is the ICD-10 code for pituitary insipidus diabetes?
- E23.2 — Diabetes insipidus.
What is the ICD-10 code for vasopressin resistant insipidus diabetes?
- N25.1 — Nephrogenic diabetes insipidus.
Is E23.2 billable?
- Yes. E23.2 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can E23.2 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict E23.2 as a principal diagnosis.
Is E23.2 a CC or MCC?
- E23.2 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.