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ICD-10 Coding for Trapezius Muscle Strain(S46.819A)

Complete ICD-10-CM coding and documentation guide for Trapezius Muscle Strain. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Trapezius StrainUpper Back Muscle Strainupper back strainshoulder strain

Related ICD-10 Code Ranges

Complete code families applicable to Trapezius Muscle Strain

S46.8Primary Range

Injury of other specified muscles and tendons at shoulder and upper arm level

This range includes codes for injuries to specific muscles in the shoulder and upper arm, including the trapezius.

Pain in thoracic spine

This range is used for chronic pain in the thoracic region without specific muscle injury.

Key Information: ICD-10 code for trapezius muscle strain

Essential facts and insights about Trapezius Muscle Strain

The ICD-10 code for trapezius muscle strain is S46.819A, applicable for acute injuries in the shoulder region.

Primary ICD-10-CM Code for trapezius muscle strain

Strain of other specified muscles and tendons at shoulder and upper arm level, initial encounter
Billable Code

Decision Criteria

clinical Criteria

  • Presence of acute pain and tenderness in trapezius muscle

documentation Criteria

  • Documentation of specific muscle and activity causing strain

Applicable To

  • Strain of trapezius muscle

Excludes

  • Strain of thoracic muscles (S29.012A)

Clinical Validation Requirements

  • Tenderness on palpation of trapezius
  • Pain with shoulder movement
  • MRI showing muscle strain

Code-Specific Risks

  • Confusion with thoracic muscle strains
  • Incorrect laterality documentation

Coding Notes

  • Ensure documentation specifies the muscle, laterality, and encounter type.

Ancillary Codes

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

Activity, other involving physical exercise

Y93.B9
Use to specify the activity during which the injury occurred.

Differential Codes

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

Pain in thoracic spine

M54.6
Use M54.6 for chronic pain without specific muscle injury.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Trapezius Muscle Strain to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code S46.819A.

Impact

Clinical: Leads to misdiagnosis and inappropriate treatment., Regulatory: Fails to meet documentation standards., Financial: Results in denied claims or reduced reimbursement.

Mitigation Strategy

Train staff on specific documentation requirements., Use templates to guide detailed documentation.

Impact

Reimbursement: Incorrect coding can lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation Strategy

Verify anatomical location and document specific muscle involved.

Impact

Using thoracic strain codes for trapezius injuries.

Mitigation Strategy

Educate coders on anatomical distinctions and correct code usage.

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 Trapezius Muscle Strain, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Trapezius Muscle Strain

Use these documentation templates to ensure complete and accurate documentation for Trapezius Muscle Strain. These templates include all required elements for proper coding and billing.

Acute trapezius strain during exercise

Specialty: Orthopedics

Required Elements

  • Patient history of injury
  • Physical examination findings
  • Imaging results if applicable
  • Treatment plan

Example Documentation

Patient reports sudden pain in right upper back during weightlifting. Exam reveals tenderness in right trapezius. MRI confirms strain.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Upper back pain from exercise.
Good Documentation Example
Acute strain of right trapezius during weightlifting, confirmed by MRI.
Explanation
The good example specifies the muscle, laterality, and confirms the diagnosis with imaging.

Need help with ICD-10 coding for Trapezius Muscle Strain? Ask your questions below.

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