ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
DiagnosesAmnesia

Amnesia

ICD-10 Coding for Amnesia(F04.0, R41.3)

PRIMARY SPECIALTYNeurology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Amnesia?
Essential facts and insights about Amnesia

Key Clinical Considerations:

  • Memory loss that affects daily functioning, which may be temporary or permanent.
  • Cognitive assessments indicating impaired memory recall, particularly for recent events.
  • Physical examination may reveal neurological deficits or signs of underlying conditions.
  • Imaging studies (e.g., MRI, CT) may show structural changes in the brain associated with amnesia.
  • Severity can be assessed based on the duration of memory loss and impact on daily life.

Clinical Information

Clinical Criteria & Documentation Requirements

  • Complete medical history including onset, duration, and nature of memory loss.
  • Specific terms such as 'anterograde amnesia' or 'retrograde amnesia' must be documented.
  • Examples include noting the patient's ability to recall recent events versus past events.
  • Documentation must establish medical necessity for diagnostic tests and treatments.
  • Quality measures may include assessments of cognitive function and patient safety.

Coding Guidelines

Usage Guidelines & Examples

  • Use F04.0 for amnesia due to known physiological causes, and R41.3 for unspecified amnesia.
  • Do not use these codes for memory loss due to psychiatric disorders like depression or anxiety.
  • F04.0 is distinct from codes for dementia (e.g., F00-F03) which involve broader cognitive decline.
  • Common errors include misclassifying amnesia as dementia; ensure clear documentation of symptoms.
  • In complex cases, consider comorbid conditions and document all relevant findings for accurate coding.

Code Exclusions

Important Exclusions

  • Excludes memory loss due to psychiatric conditions such as depression (F32) or anxiety disorders (F41).
  • Alternative codes for excluded conditions include F32 for major depressive disorder.
  • Conditions are excluded due to differing underlying mechanisms affecting memory.
  • Common mistakes include coding amnesia when the primary issue is a mood disorder.
  • Related but distinct conditions include transient global amnesia (R41.8).

Related ICD-10 Codes

Primary Codes
F04.0
Amnesia due to known physiological condition
R41.3
Other amnesia
Ancillary Codes
R41.3
Differential Codes
F44.0
F04.0
F04.0
when a specific physiological cause is documented.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Neurology

Specialty Applications

  • Patients with neurological conditions, traumatic brain injury, or psychological disorders.
  • Populations at risk include older adults, individuals with a history of substance abuse, and those with head trauma.
  • Clinical settings include neurology clinics, emergency departments, and inpatient rehabilitation.
  • Specialty applications in neurology, psychiatry, and geriatric medicine.
  • Treatment contexts may involve cognitive rehabilitation and psychotherapy.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Template: 'Patient diagnosed with amnesia based on cognitive assessment findings.'

Template 2

Template: 'Clinical presentation consistent with amnesia including inability to recall recent events.'

Template 3

Template: 'Diagnostic criteria for amnesia met as evidenced by cognitive testing results.'

Template 4

Template: 'Treatment plan initiated for amnesia with cognitive rehabilitation strategies.'

Template 5

Template: 'Follow-up care for amnesia including monitoring of cognitive function and safety.'

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What documentation is required for this diagnosis?

Document the patient's memory loss characteristics, cognitive assessments, and any relevant imaging results.

How does this differ from similar diagnoses?

Amnesia specifically refers to memory loss, while dementia involves broader cognitive decline affecting multiple domains.

What are common billing considerations?

Ensure that the diagnosis is clearly linked to the services provided to optimize reimbursement.

What procedures are typically associated?

CPT codes for neuropsychological testing and cognitive assessments may be relevant.

Are there any quality reporting implications?

Quality measures may include tracking cognitive function improvements and patient safety outcomes.