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ICD-10 Guide
ICD-10 CodesG56.82

G56.82

Billable

Other specified mononeuropathies of left upper limb

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

Code Description

ICD-10 G56.82 is a billable code used to indicate a diagnosis of other specified mononeuropathies of left upper limb.

Key Diagnostic Point:

G56.82 refers to other specified mononeuropathies affecting the left upper limb, which can include various conditions that result in nerve dysfunction. Mononeuropathies are characterized by damage to a single nerve or a group of nerves, leading to symptoms such as pain, weakness, numbness, or tingling in the affected area. In the left upper limb, this may involve nerves such as the ulnar, median, or radial nerves, which can be affected by conditions like entrapment syndromes, trauma, or systemic diseases. Common causes include repetitive strain injuries, compression from surrounding structures, or systemic conditions like diabetes. Diagnosis often involves a thorough clinical evaluation, nerve conduction studies, and electromyography to assess the function of the affected nerves. Treatment may include physical therapy, medications for pain relief, or surgical intervention in severe cases. Accurate coding is essential for proper reimbursement and to reflect the complexity of the patient's condition.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of potential underlying causes
  • Need for detailed clinical documentation
  • Differentiation from other neuropathies
  • Potential for co-existing conditions

Audit Risk Factors

  • Insufficient documentation of symptoms
  • Lack of clear diagnosis linking to the code
  • Inconsistent use of related codes
  • Failure to document nerve conduction study results

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, results of nerve conduction studies, and any imaging studies performed.

Common Clinical Scenarios

Patients presenting with numbness or weakness in the left arm, often after repetitive activities or trauma.

Billing Considerations

Ensure that all relevant symptoms and diagnostic tests are documented to support the use of G56.82.

Orthopedics

Documentation Requirements

Surgical notes if applicable, imaging results, and physical examination findings.

Common Clinical Scenarios

Patients with left upper limb pain due to compression syndromes like cubital tunnel syndrome.

Billing Considerations

Document any conservative management efforts prior to surgical intervention.

Coding Guidelines

Inclusion Criteria

Use G56.82 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the documentation supports the diagnosis
  • Include details about the specific nerve affected and any relevant symptoms

Exclusion Criteria

Do NOT use G56.82 When
  • Exclude codes that represent more specific conditions unless they are ruled out

Related ICD-10 Codes

Related CPT Codes

95900CPT Code

Nerve conduction studies, motor and sensory

Clinical Scenario

Used to evaluate the function of the affected nerve in cases of suspected mononeuropathy.

Documentation Requirements

Document the specific nerves tested and the results of the studies.

Specialty Considerations

Neurologists should ensure that the clinical rationale for the study 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 mononeuropathies, improving the accuracy of diagnoses and facilitating better patient management. G56.82 provides a distinct code for conditions that may not fit into more common categories.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of mononeuropathies, improving the accuracy of diagnoses and facilitating better patient management. G56.82 provides a distinct code for conditions that may not fit into more common categories.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of mononeuropathies, improving the accuracy of diagnoses and facilitating better patient management. G56.82 provides a distinct code for conditions that may not fit into more common categories.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What are the common causes of mononeuropathies in the left upper limb?

Common causes include nerve compression syndromes (like carpal tunnel syndrome), trauma, repetitive strain injuries, and systemic diseases such as diabetes.

How can nerve conduction studies assist in diagnosing G56.82?

Nerve conduction studies help assess the electrical activity of the affected nerves, confirming the presence and extent of neuropathy, which is crucial for accurate coding.