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ICD-10 Coding for Fracture of the Humerus(S42.2, S42.3)

Complete ICD-10-CM coding and documentation guide for Fracture of the Humerus. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Humeral FractureBroken ArmUpper Arm Fracture

Related ICD-10 Code Ranges

Complete code families applicable to Fracture of the Humerus

S42.2-S42.4Primary Range

Fractures of the humerus, including upper end, shaft, and lower end

These codes cover the various anatomical locations of humeral fractures, crucial for accurate diagnosis and treatment documentation.

Pathological fractures of the humerus

These codes are used when the fracture is due to an underlying pathological condition, such as osteoporosis or cancer.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
S42.2Fracture of upper end of humerusUse when the fracture is located at the proximal end of the humerus.
  • X-ray confirmation of fracture location
  • Documentation of fracture type (e.g., displaced, comminuted)
S42.3Fracture of shaft of humerusUse when the fracture is located along the shaft of the humerus.
  • X-ray showing fracture along the shaft
  • Documentation of displacement and angulation

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for humerus fracture

Essential facts and insights about Fracture of the Humerus

The ICD-10 code for a humerus fracture depends on the fracture location: S42.2 for proximal, S42.3 for shaft, and S42.4 for distal.

Primary ICD-10-CM Codes for fracture humerus

Fracture of upper end of humerus
Non-billable Code

Decision Criteria

clinical Criteria

  • Fracture confirmed by imaging at the proximal humerus

documentation Criteria

  • Specify laterality and fracture type

Applicable To

  • Proximal humerus fracture
  • Fracture of humeral head

Excludes

  • Pathological fracture of humerus (M84.42-)

Clinical Validation Requirements

  • X-ray confirmation of fracture location
  • Documentation of fracture type (e.g., displaced, comminuted)

Code-Specific Risks

  • Incorrect documentation of laterality
  • Failure to specify fracture type

Coding Notes

  • Ensure documentation includes laterality and fracture type.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Periprosthetic fracture around internal prosthetic joint

M97.31
Use when a fracture occurs around a prosthetic joint.

Injury of radial nerve at upper arm level

S44.21XA
Use when there is associated nerve injury.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Pathological fracture of upper end of humerus

M84.42
Use when fracture is due to a pathological condition.

Pathological fracture of shaft of humerus

M84.52
Use when fracture is due to a pathological condition.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Fracture of the Humerus to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code S42.2.

Impact

Clinical: May affect treatment decisions., Regulatory: Non-compliance with documentation standards., Financial: Potential for reduced reimbursement.

Mitigation Strategy

Include displacement in all fracture documentation., Use templates to ensure completeness.

Impact

Reimbursement: May lead to denied claims due to unspecified codes., Compliance: Non-compliance with coding standards., Data Quality: Decreases accuracy of patient records.

Mitigation Strategy

Always specify right or left in the documentation.

Impact

Reimbursement: Unspecified codes may result in lower reimbursement rates., Compliance: Fails to meet detailed coding requirements., Data Quality: Impacts research and data analysis quality.

Mitigation Strategy

Provide detailed documentation to avoid unspecified codes.

Impact

High risk of audit for using unspecified codes without detailed documentation.

Mitigation Strategy

Provide complete documentation including fracture type, location, and laterality.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Fracture of the Humerus, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Fracture of the Humerus

Use these documentation templates to ensure complete and accurate documentation for Fracture of the Humerus. These templates include all required elements for proper coding and billing.

Orthopedic evaluation of humerus fracture

Specialty: Orthopedics

Required Elements

  • Fracture location
  • Type and displacement
  • Neurovascular status
  • Treatment plan

Example Documentation

Patient presents with a displaced fracture of the right proximal humerus. Neurovascular status intact. Plan for ORIF.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Right arm fracture.
Good Documentation Example
Displaced fracture of the right proximal humerus with intact neurovascular status.
Explanation
The good example provides specific location and fracture details.

Need help with ICD-10 coding for Fracture of the Humerus? Ask your questions below.

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