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F44.89 · Billable

2026 ICD-10-CM Diagnosis Code F44.89

Other dissociative and conversion disorders

About F44.89

Code

F44.89

Description

Other dissociative and conversion disorders

Billable

Yes — billable on its own

Parent code

F44 (Dissociative and conversion disorders)

Category

F40-F49 — Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders

Set

ICD-10-CM 2026

Clinical context

Inherited from F44 (Dissociative and conversion disorders)

F44 covers dissociative and conversion disorders — including dissociative amnesia (F44.0), dissociative fugue (F44.1), dissociative identity disorder (F44.81), and conversion presentations (F44.4–F44.7). Trauma history is common. Document the dissociative phenomena observed, rule out medical and substance causes, and capture any co-occurring PTSD or depressive disorder.

Code details

Code attributes

  • Non-billable/Non-specific code

Coding rules

  • Specify the leaf code — the parent code (e.g. F32) is a navigational header; billing requires a leaf code (F32.0, F32.1, etc.) that matches the documented presentation.
  • Document onset, course, and severity (mild / moderate / severe) plus functional impact. Payers use this combination when adjudicating medical necessity.
  • Attach a validated instrument score (PHQ-9, GAD-7, PCL-5, or equivalent) at intake and at follow-up where applicable. Objective measures support code selection and continued authorization.
  • Review at every visit and update if presentation changes — including remission and partial remission states.

Sources

  • Centers for Medicare & Medicaid Services — 2026 ICD-10-CM
  • AAPC — ICD-10-CM Code Lookup
  • CDC — ICD-10-CM Official Guidelines for Coding and Reporting

This reference is provided for billing and documentation guidance only. It is not medical advice. For clinical decision-making, consult the current CMS ICD-10-CM Official Guidelines for Coding and Reporting, and verify code applicability against the patient's documented clinical findings.

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