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F44

F44: Dissociative and conversion disorders

Non-billable headerICD-10-CM

F44 is a non-billable header ICD-10-CM code for dissociative and conversion disorders. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

  • malingering [conscious simulation] (Z76.5)

Includes

Conditions this code covers.

  • conversion hysteria
  • conversion reaction
  • hysteria
  • hysterical psychosis

Other codes that can never be billed with F44

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

  • F04Amnestic disorder due to known physiological condition
  • F44.0Dissociative amnesia
  • G24.3Spasmodic torticollis
  • G40Epilepsy and recurrent seizures
  • G82Paraplegia (paraparesis) and quadriplegia (quadriparesis)
  • H90.5Unspecified sensorineural hearing loss
  • H91Other and unspecified hearing loss
  • R20Disturbances of skin sensation

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead F44

9 child codes. Green means billable.

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.