F50.9 – Eating disorder, unspecified

ICD-10-CM 2027 diagnosis code · Behavioral syndromes associated with physiological disturbances and physical factors

Billable code

ICD-10-CM code F50.9

Code: F50.9 (claims format: F509)
Description: Eating disorder, unspecified
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
Block: F50-F59 Behavioral syndromes associated with physiological disturbances and physical factors
Parent codes: F50

Notes for F50.9

Applicable to:

Atypical anorexia nervosa
Atypical bulimia nervosa
Feeding or eating disorder, unspecified
Other specified feeding disorder

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

F50 – Eating disorders

Excludes1 (not coded here):

anorexia NOS (R63.0)
feeding problems of newborn (P92.-)
polyphagia (R63.2)

Excludes2 (not included here):

feeding difficulties (R63.3-)
feeding disorder in infancy or childhood (F98.2-)

Index terms for F50.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in F50

Frequently asked questions

What is ICD-10 code F50.9?

F50.9 is the ICD-10-CM code for eating disorder, unspecified, in the block F50-F59 (Behavioral syndromes associated with physiological disturbances and physical factors).

Is F50.9 a billable code?

Yes. F50.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does F50.9 belong to?

It belongs to category F50 – Eating disorders.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.