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ICD-10 Guide
ICD-10 CodesG56.02

G56.02

Billable

Carpal tunnel syndrome, left upper limb

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

Code Description

ICD-10 G56.02 is a billable code used to indicate a diagnosis of carpal tunnel syndrome, left upper limb.

Key Diagnostic Point:

Carpal tunnel syndrome (CTS) is a common condition that arises from the compression of the median nerve as it travels through the carpal tunnel in the wrist. This syndrome is characterized by symptoms such as numbness, tingling, and weakness in the hand, particularly affecting the thumb, index, middle, and part of the ring finger. In the case of G56.02, the condition specifically pertains to the left upper limb. The etiology of CTS can include repetitive wrist movements, certain medical conditions (like diabetes or hypothyroidism), and anatomical variations. Diagnosis typically involves a combination of clinical evaluation and nerve conduction studies (NCS), which assess the electrical conduction of the median nerve. These studies help confirm the diagnosis by demonstrating slowed conduction velocities or prolonged latencies. Treatment options may range from conservative measures, such as splinting and corticosteroid injections, to surgical intervention in more severe cases. Accurate coding for CTS is crucial for proper reimbursement and to reflect the patient's condition accurately in medical records.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between left and right upper limb involvement
  • Understanding the nuances of nerve conduction studies
  • Identifying associated conditions that may complicate the diagnosis
  • Documenting the severity and duration of symptoms

Audit Risk Factors

  • Inadequate documentation of symptoms and their duration
  • Failure to include nerve conduction study results
  • Misidentification of the affected limb
  • Lack of clarity on conservative treatment attempts before surgery

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, results of nerve conduction studies, and treatment plans.

Common Clinical Scenarios

Patients presenting with numbness and tingling in the hand, particularly after repetitive activities.

Billing Considerations

Ensure that all relevant diagnostic tests are documented to support the diagnosis.

Orthopedics

Documentation Requirements

Surgical notes, pre-operative assessments, and post-operative follow-ups.

Common Clinical Scenarios

Patients requiring surgical intervention for severe carpal tunnel syndrome.

Billing Considerations

Document the rationale for surgical intervention and any conservative treatments attempted.

Coding Guidelines

Inclusion Criteria

Use G56.02 When
  • According to the ICD
  • CM guidelines, G56
  • 02 should be used when the carpal tunnel syndrome is specifically diagnosed in the left upper limb
  • It is important to document the clinical findings and any diagnostic tests performed, such as nerve conduction studies, to support the coding

Exclusion Criteria

Do NOT use G56.02 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

95903CPT Code

Nerve conduction study, motor and sensory

Clinical Scenario

Used to confirm the diagnosis of carpal tunnel syndrome.

Documentation Requirements

Results of the nerve conduction study must be documented in the patient's medical record.

Specialty Considerations

Neurologists and orthopedic surgeons should ensure that the study is performed and interpreted correctly.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions like carpal tunnel syndrome, improving the accuracy of diagnoses and treatment tracking. G56.02 provides specificity regarding the affected limb, which is crucial for treatment planning and reimbursement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like carpal tunnel syndrome, improving the accuracy of diagnoses and treatment tracking. G56.02 provides specificity regarding the affected limb, which is crucial for treatment planning and reimbursement.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    American Academy of Neurology - Carpal Tunnel Syndrome

Coding & Billing References

  • •
    American Academy of Neurology - Carpal Tunnel Syndrome

Frequently Asked Questions

What are the common symptoms of carpal tunnel syndrome?

Common symptoms include numbness, tingling, and weakness in the hand, particularly affecting the thumb, index, middle, and part of the ring finger.

How is carpal tunnel syndrome diagnosed?

Diagnosis is typically made through clinical evaluation and confirmed with nerve conduction studies that assess the function of the median nerve.

What treatments are available for carpal tunnel syndrome?

Treatment options range from conservative measures like splinting and corticosteroid injections to surgical intervention in more severe cases.