2027 ICD-10-CM Diagnosis Code F50.89Other specified eating disorder

ICD-10-CM Codes›F01–F99›F50-F59›F50

ICD-10-CM F50.89
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

F50.89 is a billable ICD-10-CM diagnosis code for other specified eating disorder. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 887. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Feeding and eating disorders.

F50.89 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model. It still risk-adjusts in the RxHCC Part D (V08) category 133 for payment year 2027.

Code Identity

ICD-10-CM Code
F50.89
Billable Status
Yes — Valid for Submission
Code Describes
Other specified eating disorder
Short Description
Other specified eating disorder
Same as the full description in the CMS dataset.
Parent Code
F50.8
Other eating disorders

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF50-F59Behavioral syndromes associated with physiological disturbances and physical factors
CategoryF50Eating disorders
This CodeF50.89Other specified eating disorder

Medicare Risk Adjustment (HCC)Billing

F50.89 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model, but it maps to payment categories in the other CMS models shown below.

CMS-HCC V28 (Medicare Advantage Payment Model)
Not mapped
no payment category in the model that pays 100% of MA risk scores
Prior Model (CMS-HCC V24)
Not mapped under V24
this diagnosis newly risk-adjusts under the V28 model
Part D (RxHCC)
RxHCC 133 — Anxiety and Other Psychiatric Disorders
also risk-adjusts in the Part D prescription drug model (V08)

Source: CMS Payment Year 2027 risk adjustment mappings and model software. Weights are relative factors, not dollar amounts; a beneficiary's total RAF also includes demographics and interactions. Browse all CMS-HCC categories.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Adolescent rumination disorder
  • Craving for non-food item
  • Cyclical vomiting syndrome
  • Geophagia
  • Nocturnal sleep-related eating disorder
  • Orthorexia nervosa
  • Pica
  • Psychogenic cyclical vomiting
  • Psychogenic overeating
  • Psychogenic vomiting
  • Rumination disorder
  • Self-induced vomiting
  • Sleep automatism
  • Weight fixation

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to F50.89: its own notes plus those printed at F50 and Chapter 5. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • disorders of psychological development

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Psychogenic loss of appetite

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From F50 Eating disorders applies to 30 codes

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From F50 Eating disorders applies to 30 codes
  • feeding difficulties (R63.3-)
  • feeding disorder in infancy or childhood (F98.2-)
From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name F50.89, its category, or a range that includes it.

Excludes1 5

These codes carry an Excludes1 note naming F50.89: they are not reported together with it, unless the two conditions are unrelated.

  • F50.0 Anorexia nervosa
    psychogenic loss of appetite (F50.89)
  • R11 Nausea and vomiting
    psychogenic vomiting (F50.89)
  • R63.0 Anorexia
    loss of appetite of nonorganic origin (F50.89)
  • P92 Feeding problems of newborn
    eating disorders (F50.-) names F50.-, which includes this code
  • Z72.4 Inappropriate diet and eating habits
    eating disorders (F50.-) names F50.-, which includes this code

Excludes2 2

These codes carry an Excludes2 note naming F50.89: its condition is not part of those codes, and both may be reported when the patient has both.

  • F98.2 Other feeding disorders of infancy and childhood
    anorexia nervosa and other eating disorders (F50.-) names F50.-, which includes this code
  • R63.3 Feeding difficulties
    eating disorders (F50.-) names F50.-, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MBD010
Feeding and eating disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Pica

    the persistent eating of non-nutritive substances for a period of at least one month.

Patient EducationClinical

Eating Disorders

Eating disorders are serious mental health disorders. They involve severe problems with your thoughts about food and your eating behaviors. You may eat much less or much more than you need.

The full article covers:

  • What are eating disorders?
  • What are the types of eating disorders?
  • What causes eating disorders?
  • Who is at risk for eating disorders?
  • What are the symptoms of eating disorders?
  • How is eating disorders diagnosed?
  • What are the treatments for eating disorders?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert F50.89 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
307.54 Psychogenic vomiting
Approximate The match is approximate rather than exact.
ICD-9-CM
307.59 Eating disorder NEC
Approximate The match is approximate rather than exact.

Code History & ChangesHistory

Replacement F50.89 replaces the following previously assigned code(s):

  • F50.8 - Other eating disorders
FY 2019AddedAdded to the ICD-10-CM code setEffective October 1, 2018.
FY 2020–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About F50.89Overview

What is the ICD-10 code for other specified eating disorder?

The ICD-10-CM code for other specified eating disorder is F50.89 (sometimes written as F5089). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is F50.89 (Other eating disorders) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other specified eating disorder on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does F50.89 group to?

When other specified eating disorder is the principal diagnosis on an inpatient stay, it groups to MS-DRG 887 (other Mental Disorder Diagnoses), which carries a relative weight of 1.1154. Higher weights mean higher Medicare reimbursement.

Can F50.89 be reported with R63.0?

Not as a rule. The Excludes1 note at F50, which applies to F50.89, lists "anorexia NOS (R63.0)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

What is the ICD-9 equivalent of F50.89?

Under the General Equivalence Mappings, other specified eating disorder converts to ICD-9-CM 307.54 (psychogenic vomiting) and 307.59 (eating disorder NEC). The mapping is approximate, so confirm the match fits the documentation.

Does F50.89 risk-adjust for Medicare Advantage payment?

Not for Medicare Advantage: F50.89 maps to no category in the CMS-HCC V28 model. It still risk-adjusts in the RxHCC Part D (V08) category 133 (Anxiety and Other Psychiatric Disorders).