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ICD-10 Guide
ICD-10 CodesA36.82

A36.82

Diphtheritic radiculomyelitis

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

Code Description

ICD-10 A36.82 is a billable code used to indicate a diagnosis of diphtheritic radiculomyelitis.

Key Diagnostic Point:

Diphtheritic radiculomyelitis is a rare but serious complication of diphtheria, primarily caused by the toxin produced by Corynebacterium diphtheriae. This condition manifests as inflammation of the spinal cord and nerve roots, leading to neurological deficits. The diphtheritic toxin can cause demyelination of peripheral nerves, resulting in symptoms such as muscle weakness, sensory loss, and autonomic dysfunction. Patients may present with symptoms ranging from mild weakness to severe paralysis, often following an upper respiratory infection. Diagnosis is typically confirmed through clinical evaluation, history of diphtheria exposure, and laboratory tests that may include throat cultures and serological assays. Treatment involves the administration of diphtheria antitoxin, antibiotics to eradicate the bacteria, and supportive care for neurological symptoms. Early intervention is crucial to prevent long-term complications, including respiratory failure and permanent neurological damage.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires knowledge of specific bacterial infections and their complications.
  • Differentiation from other neurological conditions can be challenging.
  • Documentation must clearly indicate the relationship between diphtheria and neurological symptoms.
  • Potential for misclassification with other types of radiculomyelitis.

Audit Risk Factors

  • Inadequate documentation linking diphtheria to neurological symptoms.
  • Misdiagnosis or failure to recognize the condition.
  • Lack of clarity in treatment protocols followed.
  • Inconsistent coding practices across different healthcare settings.

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Thorough documentation of the patient's history, exposure to diphtheria, and clinical findings.

Common Clinical Scenarios

Patients presenting with respiratory symptoms and subsequent neurological deficits.

Billing Considerations

Awareness of vaccination history and potential for outbreaks.

Neurology

Documentation Requirements

Detailed neurological examination findings and correlation with diphtheritic infection.

Common Clinical Scenarios

Patients with acute onset of weakness following a diphtheria infection.

Billing Considerations

Need for comprehensive neurological assessments and potential referrals for rehabilitation.

Coding Guidelines

Inclusion Criteria

Use A36.82 When
  • Follow official ICD
  • 10 coding guidelines, ensuring accurate documentation of the diagnosis and any associated complications
  • Include relevant clinical details that support the diagnosis of diphtheritic radiculomyelitis

Exclusion Criteria

Do NOT use A36.82 When
No specific exclusions found.

Related CPT Codes

99214CPT Code

Established patient office visit, level 4

Clinical Scenario

Used for follow-up visits after diagnosis and treatment of diphtheritic radiculomyelitis.

Documentation Requirements

Document history, examination findings, and treatment response.

Specialty Considerations

Infectious disease specialists may require additional details on infection management.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of diphtheritic complications, improving data accuracy and facilitating better tracking of disease patterns and outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of diphtheritic complications, improving data accuracy and facilitating better tracking of disease patterns and outcomes.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    CDC Diphtheria Information

Coding & Billing References

  • •
    CDC Diphtheria Information

Frequently Asked Questions

What are the common symptoms of diphtheritic radiculomyelitis?

Common symptoms include muscle weakness, sensory loss, and autonomic dysfunction, often following an upper respiratory infection.