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ICD-10 Guide
ICD-10 CodesG56.03

G56.03

Billable

Carpal tunnel syndrome, bilateral upper limbs

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

Code Description

ICD-10 G56.03 is a billable code used to indicate a diagnosis of carpal tunnel syndrome, bilateral upper limbs.

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 and fingers, particularly affecting the thumb, index, middle, and part of the ring finger. When CTS occurs bilaterally, it can significantly impact a patient's daily activities and quality of life. The condition is often associated with repetitive wrist movements, certain medical conditions (like diabetes and hypothyroidism), and anatomical variations. Diagnosis typically involves a thorough clinical evaluation, including a detailed history and physical examination, followed by nerve conduction studies (NCS) to assess the function of the median nerve. Treatment options may include conservative measures such as splinting, corticosteroid injections, and in some cases, surgical intervention to relieve pressure on the nerve. Accurate coding of G56.03 is essential for proper reimbursement and to reflect the severity and impact of the condition on the patient’s life.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between bilateral and unilateral presentations
  • Understanding associated conditions that may complicate CTS
  • Interpreting nerve conduction study results accurately
  • Documenting the severity and duration of symptoms

Audit Risk Factors

  • Inadequate documentation of bilateral symptoms
  • Failure to document nerve conduction study results
  • Lack of clarity on the duration of symptoms
  • Inconsistent treatment documentation

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 hands, especially those with a history of repetitive wrist use.

Billing Considerations

Ensure that all neurological assessments are documented, including any differential diagnoses considered.

Orthopedics

Documentation Requirements

Surgical notes if surgery is performed, 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 pre-existing conditions that may affect recovery.

Coding Guidelines

Inclusion Criteria

Use G56.03 When
  • According to ICD
  • 10 guidelines, G56
  • 03 should be used when the clinical documentation supports a diagnosis of bilateral carpal tunnel syndrome
  • It is important to ensure that the documentation reflects the bilateral nature of the condition and any associated symptoms

Exclusion Criteria

Do NOT use G56.03 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

64721CPT Code

Carpal tunnel release

Clinical Scenario

Used when surgical intervention is required for severe carpal tunnel syndrome.

Documentation Requirements

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

Specialty Considerations

Orthopedic surgeons should document the rationale for surgery and any complications.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of carpal tunnel syndrome, including the ability to differentiate between bilateral and unilateral cases, which enhances the accuracy of patient records and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of carpal tunnel syndrome, including the ability to differentiate between bilateral and unilateral cases, which enhances the accuracy of patient records and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

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 bilateral carpal tunnel syndrome?

Common symptoms include numbness, tingling, and weakness in the hands, particularly affecting the thumb, index, middle, and part of the ring finger. Symptoms may worsen at night or with repetitive wrist activities.