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v1.0.0
ICD-10 Guide
ICD-10 CodesS42.20

S42.20

Billable

Unspecified fracture of upper end of humerus

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/24/2025

Code Description

ICD-10 S42.20 is a billable code used to indicate a diagnosis of unspecified fracture of upper end of humerus.

Key Diagnostic Point:

The unspecified fracture of the upper end of the humerus refers to a break in the proximal region of the humerus bone, which is located near the shoulder joint. This type of fracture can occur due to various mechanisms, including falls, direct trauma, or sports injuries. Patients may present with shoulder pain, swelling, and limited range of motion. The diagnosis is typically confirmed through imaging studies such as X-rays or MRI, which help to visualize the fracture and assess any associated injuries to the surrounding soft tissues, including the rotator cuff. Treatment options may vary based on the severity of the fracture and can include conservative management with physical therapy and immobilization or surgical intervention to stabilize the fracture. Surgical options may involve the use of plates, screws, or intramedullary nails. The prognosis for recovery is generally good, but it can be complicated by factors such as age, comorbidities, and the presence of associated injuries.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in fracture types and locations within the upper end of the humerus.
  • Potential for associated soft tissue injuries, such as rotator cuff tears.
  • Need for precise documentation to differentiate from other shoulder injuries.
  • Variations in treatment approaches that may affect coding.

Audit Risk Factors

  • Inadequate documentation of the fracture type and location.
  • Failure to document associated injuries or complications.
  • Use of unspecified codes when more specific codes are available.
  • Inconsistent coding practices across different providers.

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed operative reports, imaging studies, and follow-up notes.

Common Clinical Scenarios

Fractures resulting from falls, sports injuries, or trauma requiring surgical intervention.

Billing Considerations

Accurate documentation of fracture type, treatment plan, and any complications is crucial for proper coding.

Physical Therapy

Documentation Requirements

Initial evaluation notes, progress notes, and discharge summaries.

Common Clinical Scenarios

Rehabilitation following surgical repair of humeral fractures or conservative management of fractures.

Billing Considerations

Documentation should reflect the patient's functional status and response to therapy.

Coding Guidelines

Inclusion Criteria

Use S42.20 When
  • According to the official coding guidelines, S42
  • 20 should be used when the specific type of fracture is not documented
  • Coders should ensure that all relevant clinical information is captured to support the use of this code
  • It is important to review the patient's medical history and any imaging results to determine if a more specific code can be applied

Exclusion Criteria

Do NOT use S42.20 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

23470CPT Code

Arthroscopic rotator cuff repair

Clinical Scenario

Used in cases where a rotator cuff injury is present alongside a humeral fracture.

Documentation Requirements

Operative report detailing the procedure and findings.

Specialty Considerations

Orthopedic surgeons should ensure that the documentation clearly links the procedure to the diagnosis.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more detailed coding of fractures, including the ability to specify the location and type of fracture. This has improved the accuracy of coding and billing, but it also requires coders to be more diligent in reviewing documentation to ensure appropriate code selection.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more detailed coding of fractures, including the ability to specify the location and type of fracture. This has improved the accuracy of coding and billing, but it also requires coders to be more diligent in reviewing documentation to ensure appropriate code selection.

Reimbursement & Billing Impact

billing, but it also requires coders to be more diligent in reviewing documentation to ensure appropriate code selection.

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

When should I use S42.20 instead of a more specific code?

S42.20 should be used when the documentation does not specify the exact type or location of the fracture. If more specific information is available, it is advisable to use those codes to ensure accurate billing and reporting.