MCMedicalCodingSoftware
F42.3

F42.3: Hoarding disorder

Billable / specific codeICD-10-CM

F42.3 is a billable, specific ICD-10-CM code for hoarding disorder. It is valid for submission on a claim.

Check F42.3 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above F42.3

Not part of this code, but both may be coded when both are present.

Written on F42: Obsessive-compulsive disorder

  • obsessive-compulsive personality (disorder) (F60.5)
  • obsessive-compulsive symptoms occurring in depression (F32.-, F33.-)
  • obsessive-compulsive symptoms occurring in schizophrenia (F20.-)

Other codes that can never be billed with F42.3

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • R46.81Obsessive-compulsive behavior

Risk adjustment

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

Medicare coverage

F42.3 is named in 13 Medicare coverage policies: 11 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
  • A56865Billing and Coding: Psychiatric Inpatient Hospitalizationnot covered
  • A56850Billing and Coding: Psychiatric Partial Hospitalization Programs
  • A56937Billing and Coding: Psychiatry and Psychology Services

Alphabetic index entries that lead here

  • Disorder›hoarding

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under F42

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.