Coding and coverage · ICD-10-CM

F44

F44.0 Dissociative amnesia

BillableCMS-HCC V28: HCC 153age >= 20153age < 20Chapter 5
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Instructional notes

Chapter 5

Excludes2Not included here: the patient may have both; report both when both are present.
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Includes
  • disorders of psychological development

F44

Excludes2Not included here: the patient may have both; report both when both are present.
  • malingering [conscious simulation] (Z76.5)
Includes
  • conversion hysteria
  • conversion reaction
  • hysteria
  • hysterical psychosis

This code

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • amnesia NOS (R41.3)
  • anterograde amnesia (R41.1)
  • dissociative amnesia with dissociative fugue (F44.1)
  • retrograde amnesia (R41.2)
Excludes2Not included here: the patient may have both; report both when both are present.
  • alcohol-or other psychoactive substance-induced amnestic disorder (F10, F13, F19 with .26, .96)
  • amnestic disorder due to known physiological condition (F04)
  • postictal amnesia in epilepsy (G40.-)

Chapter 5: Mental, Behavioral and Neurodevelopmental disorders · F40-F48 Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.