E23.3

E23.3: Hypothalamic dysfunction, not elsewhere classified

Billable / specific codeICD-10-CM

E23.3 is a billable, specific ICD-10-CM code for hypothalamic dysfunction, not elsewhere classified. It is valid for submission on a claim.

Check E23.3 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

Prader-Willi syndrome (Q87.11)
Russell-Silver syndrome (Q87.19)

Excludes1 inherited from the categories above E23.3

A category’s note binds every code beneath it.

Written on E23: Hypofunction and other disorders of the pituitary gland

postprocedural hypopituitarism (E89.3)
short stature due to endocrine disorder (E34.3-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

E23.3 is named in 7 Medicare coverage policies: 7 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56551Billing and Coding: Visual Fields Testing
A56612Billing and Coding: CT of the Head
A56799Billing and Coding: Visual Fields Testing
A57204Billing and Coding: MRI and CT Scans of the Head and Neck

Alphabetic index entries that lead here

Dyspituitarism
Renon-Delille syndrome
Disorder›neurohypophysis NEC
Dysfunction›hypothalamic NEC
Dysfunction›pituitary(gland)
Overactive›hypothalamus

Code history

Unchanged in every release from FY2024 to FY2027.