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Compare/F44.0 vs F44.1

F44.0 vs F44.1

F44.0 (Dissociative amnesia) compared with F44.1 (Dissociative fugue), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Can these codes be reported together?

No — do not report together. F44.0 carries an Excludes1 note covering F44.1: “dissociative amnesia with dissociative fugue (F44.1)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Side by side

F44.0Dissociative amnesiaF44.1Dissociative fugue
Billing statusBillableBillable
ClassificationF01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99)F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99)
DefinitionDissociative amnesia is a billable ICD-10-CM diagnosis code (F44.0).Dissociative fugue is a billable ICD-10-CM diagnosis code (F44.1).
Includes
conversion hysteria
conversion reaction
hysteria
hysterical psychosis
conversion hysteria
conversion reaction
hysteria
hysterical psychosis

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources