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
ICD-10 CodesG31.82

G31.82

Billable

Leigh's disease

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 G31.82 is a billable code used to indicate a diagnosis of leigh's disease.

Key Diagnostic Point:

Leigh's disease, also known as subacute necrotizing encephalomyelopathy, is a severe neurological disorder that primarily affects infants and young children. It is characterized by progressive loss of mental and movement abilities, often leading to death within a few years of onset. The disease is caused by mutations in mitochondrial DNA or nuclear DNA that affect mitochondrial function, leading to energy deficits in the brain and other organs. Clinically, patients may present with symptoms such as developmental delay, hypotonia, seizures, and respiratory distress. As the disease progresses, cognitive decline becomes evident, and patients may develop ataxia, dystonia, and other movement disorders. Diagnosis is typically confirmed through genetic testing, MRI findings, and metabolic assessments. Given its degenerative nature, Leigh's disease is often compared to other neurodegenerative conditions, including Alzheimer's disease, where cognitive decline is a significant concern. However, Leigh's disease has a distinct etiology and clinical presentation, necessitating careful assessment and coding to ensure accurate representation of the patient's condition.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Requires understanding of mitochondrial disorders and their coding nuances.
  • Differentiation from other neurodegenerative diseases like Alzheimer's.
  • Need for precise documentation of genetic testing and clinical findings.
  • Potential for overlapping symptoms with other conditions, complicating diagnosis.

Audit Risk Factors

  • Inadequate documentation of genetic testing results.
  • Failure to specify the age of onset and progression of symptoms.
  • Misclassification of Leigh's disease as a more common neurodegenerative disorder.
  • Lack of detailed clinical notes regarding neurological assessments.

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Comprehensive neurological assessments, including MRI findings and genetic testing results.

Common Clinical Scenarios

Diagnosis and management of Leigh's disease in pediatric patients, including monitoring of developmental milestones.

Billing Considerations

Neurologists must ensure that all symptoms and diagnostic criteria are thoroughly documented to support the use of G31.82.

Genetics

Documentation Requirements

Detailed family history, genetic testing results, and interpretation of mitochondrial DNA mutations.

Common Clinical Scenarios

Evaluation of patients with suspected mitochondrial disorders and counseling for families.

Billing Considerations

Geneticists should provide clear documentation of the genetic basis for Leigh's disease to support coding.

Coding Guidelines

Inclusion Criteria

Use G31.82 When
  • According to ICD
  • 10 coding guidelines, G31
  • 82 should be used when Leigh's disease is confirmed through genetic testing or clinical evaluation
  • It is important to document the specific symptoms and progression of the disease to justify the use of this code

Exclusion Criteria

Do NOT use G31.82 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

81200CPT Code

Mitochondrial DNA analysis

Clinical Scenario

Used to confirm diagnosis of Leigh's disease through genetic testing.

Documentation Requirements

Documentation of the clinical indication for testing and results.

Specialty Considerations

Geneticists must ensure that the rationale for testing is clearly documented.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of Leigh's disease, improving the accuracy of data collection and reimbursement processes. It emphasizes the importance of genetic confirmation in coding.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of Leigh's disease, improving the accuracy of data collection and reimbursement processes. It emphasizes the importance of genetic confirmation in coding.

Reimbursement & Billing Impact

reimbursement processes. It emphasizes the importance of genetic confirmation in coding.

Resources

Clinical References

  • •
    National Organization for Rare Disorders (NORD)

Coding & Billing References

  • •
    National Organization for Rare Disorders (NORD)

Frequently Asked Questions

What is the primary cause of Leigh's disease?

Leigh's disease is primarily caused by genetic mutations affecting mitochondrial function, leading to energy deficits in the brain and other organs.