10ICD Code Hub

F50.013

Billable code

Anorexia nervosa, restricting type, extreme

The ICD-10 code for anorexia nervosa, restricting type, extreme is F50.013.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • Anorexia nervosa, restricting type, with a body mass index of less than 15.0 kg/m2

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

Associated MS-DRGs

F50.013 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.