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Home/Diagnosis/ICD-10 Coding for Functional Neurological Disorder

ICD-10 Coding for Functional Neurological Disorder

F44.4
F44.5

Complete ICD-10-CM coding and documentation guide for icd-10 coding for functional neurological disorder includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Conversion Disorder
Psychogenic Disorder
Functional Movement Disorder
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Key Information: ICD-10 Coding for Functional Neurological Disorder

Essential facts and insights about ICD-10 Coding for Functional Neurological Disorder

Use ICD-10 code F44.4 for conversion disorder with motor symptom or deficit, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Conversion disorder with motor symptom or deficit

Billable Code
F44.4
Billable

Diagnostic Criteria

  • • Presence of motor symptoms that are inconsistent with known neurological patterns.

Applicable To

  • • Functional movement disorders
  • • Psychogenic tremor

Important Notes

  • • Ensure documentation includes specific motor symptoms and their inconsistency with known neurological diseases.

Conversion disorder with seizures or convulsions

Billable Code
F44.5
Billable

Applicable To

  • • Functional seizures
  • • Psychogenic non-epileptic seizures (PNES)

Important Notes

  • • Ensure EEG results are documented to confirm the absence of epileptiform activity.
Ancillary Codes

Additional codes that may be used with this diagnosis

R56.9

Unspecified convulsions

Use when initial presentation is unclear and further diagnostic workup is pending.

G40.909

Epilepsy, unspecified

Use to rule out epilepsy when functional seizures are suspected.

Frequently Asked Questions

What is the ICD-10 code for functional neurological disorder?

The ICD-10 code for functional neurological disorder, specifically for conversion disorder with seizures, is F44.5.

How is functional neurological disorder diagnosed?

Functional neurological disorder is diagnosed through clinical evaluation, including video-EEG to confirm the absence of epileptiform activity.

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