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v1.0.0
ICD-10 Guide
ICD-10 CodesG56.0

G56.0

Billable

Carpal tunnel syndrome

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

Code Description

ICD-10 G56.0 is a billable code used to indicate a diagnosis of carpal tunnel syndrome.

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 tunnel is a narrow passageway made up of bones and ligaments, and when it becomes narrowed or inflamed, it can lead to symptoms such as pain, numbness, tingling, and weakness in the hand and fingers. The condition is often associated with repetitive hand movements, such as typing or assembly line work, and can also be exacerbated by conditions like diabetes, hypothyroidism, and pregnancy. Diagnosis typically involves a thorough clinical examination, patient history, and may include nerve conduction studies (NCS) to assess the function of the median nerve. Treatment options range from conservative measures, such as splinting and corticosteroid injections, to surgical intervention in more severe cases. Understanding the pathophysiology of CTS is crucial for effective management and coding, as it often overlaps with other neuropathies and nerve entrapments.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between primary and secondary causes of CTS
  • Understanding associated conditions that may complicate coding
  • Interpreting nerve conduction study results accurately
  • Documenting the severity and duration of symptoms

Audit Risk Factors

  • Inadequate documentation of symptoms and treatment
  • Failure to specify laterality (right, left, bilateral)
  • Misinterpretation of nerve conduction study results
  • Lack of evidence for conservative treatment prior to surgery

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, including sensory and motor function assessments.

Common Clinical Scenarios

Patients presenting with numbness and tingling in the hands, especially those with a history of repetitive strain.

Billing Considerations

Ensure that nerve conduction studies are documented and interpreted correctly to support the diagnosis.

Orthopedics

Documentation Requirements

Surgical notes if surgical intervention is performed, including pre-operative and post-operative assessments.

Common Clinical Scenarios

Patients requiring surgical release of the carpal tunnel due to severe symptoms.

Billing Considerations

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

Coding Guidelines

Inclusion Criteria

Use G56.0 When
  • Follow the official ICD
  • CM guidelines for coding and reporting, ensuring to document the specific symptoms, laterality, and any associated conditions

Exclusion Criteria

Do NOT use G56.0 When
  • Exclude conditions that may mimic CTS

Related ICD-10 Codes

Related CPT Codes

64721CPT Code

Carpal tunnel release

Clinical Scenario

Performed when conservative treatments fail and symptoms are severe.

Documentation Requirements

Pre-operative assessment, surgical notes, and post-operative follow-up.

Specialty Considerations

Orthopedic surgeons must document the necessity of surgery based on symptom severity and prior treatments.

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, improving the accuracy of diagnosis and treatment tracking. It has also facilitated better data collection for research and epidemiological studies.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of carpal tunnel syndrome, improving the accuracy of diagnosis and treatment tracking. It has also facilitated better data collection for research and epidemiological studies.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of carpal tunnel syndrome, improving the accuracy of diagnosis and treatment tracking. It has also facilitated better data collection for research and epidemiological studies.

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 pain in the thumb, index, middle, and part of the ring finger, often worsening at night.

How is carpal tunnel syndrome diagnosed?

Diagnosis is typically made through a combination of clinical examination, patient history, and nerve conduction studies to assess median nerve function.

What treatments are available for carpal tunnel syndrome?

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