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ICD-10 Coding for Right Shoulder Sprain(S43.491A, S43.401A)

Complete ICD-10-CM coding and documentation guide for Right Shoulder Sprain. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Right AC Joint SprainRight Shoulder Ligament Injury

Related ICD-10 Code Ranges

Complete code families applicable to Right Shoulder Sprain

S43.4Primary Range

Sprain and strain of shoulder joint and ligaments

This range includes all sprains and strains related to the shoulder joint, with specific codes for different anatomical structures.

Injury of muscle and tendon of the rotator cuff of shoulder

This range is relevant for differentiating between sprains and strains, particularly involving the rotator cuff.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
S43.491AOther sprain of right shoulder joint, initial encounterUse when documentation specifies a generalized sprain of the right shoulder without specific ligament identification.
  • Positive scarf test
  • Limited abduction <90°
  • MRI showing capsular edema
S43.401AUnspecified sprain of right acromioclavicular joint, initial encounterUse when documentation specifies an AC joint injury with positive physical exam findings.
  • Tenderness over right AC joint
  • Positive cross-arm test

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 right shoulder sprain

Essential facts and insights about Right Shoulder Sprain

The ICD-10 code for a right shoulder sprain is S43.491A, used for other sprains of the right shoulder joint during the initial encounter.

Primary ICD-10-CM Codes for right shoulder sprain

Other sprain of right shoulder joint, initial encounter
Billable Code

Decision Criteria

clinical Criteria

  • Presence of diffuse ligamentous injury without specific structure identified.

documentation Criteria

  • Documentation lacks specific ligament involvement.

Applicable To

  • Diffuse ligamentous injury of right shoulder

Excludes

  • Strain of muscle or tendon of the rotator cuff (S46.011A)

Clinical Validation Requirements

  • Positive scarf test
  • Limited abduction <90°
  • MRI showing capsular edema

Code-Specific Risks

  • Confusion with rotator cuff strain
  • Incorrect 7th character usage

Coding Notes

  • Ensure laterality and specific ligament involvement are documented.

Ancillary Codes

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

Unspecified fall, initial encounter

W19.XXXA
Use to specify the external cause of the shoulder sprain.

Activity, sports

Y93.44
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.

Sprain of right rotator cuff capsule

S43.421A
Use when documentation specifies involvement of the rotator cuff capsule.

Other sprain of right shoulder joint

S43.491A
Use when the sprain is generalized without specific AC joint involvement.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Right Shoulder Sprain to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code S43.491A.

Impact

Clinical: Leads to vague clinical records., Regulatory: Non-compliance with coding specificity requirements., Financial: Potential for reduced reimbursement due to lack of specificity.

Mitigation Strategy

Train staff on the importance of documenting specific anatomical details., Use coding software that prompts for specificity.

Impact

Reimbursement: Incorrect coding can lead to claim denials or incorrect DRG assignment., Compliance: Misclassification affects compliance with coding guidelines., Data Quality: Impacts the accuracy of clinical data and patient records.

Mitigation Strategy

Ensure documentation specifies whether the injury involves ligaments (sprain) or muscles/tendons (strain).

Impact

Risk of audits due to use of unspecified codes.

Mitigation Strategy

Ensure all documentation includes specific anatomical details and mechanism of injury.

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 Right Shoulder Sprain, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Right Shoulder Sprain

Use these documentation templates to ensure complete and accurate documentation for Right Shoulder Sprain. These templates include all required elements for proper coding and billing.

Emergency Department Visit for Right Shoulder Sprain

Specialty: Emergency Medicine

Required Elements

  • Mechanism of injury
  • Specific anatomical location
  • Physical exam findings
  • Imaging results

Example Documentation

45M presents with right shoulder pain after mountain biking collision. Reports immediate 'popping' sensation and inability to lift arm. TTP over right AC joint, negative drop-arm test. Cross-arm test (+) with pain at 90° adduction. Hawkins’ test (-). X-ray shows AC joint widening without fracture. Assessment: Acute right AC joint sprain (S43.401A) due to bicycle accident (V18.5XXA).

Examples: Poor vs. Good Documentation

Poor Documentation Example
Right shoulder sprain from fall.
Good Documentation Example
Grade II sprain of right acromioclavicular ligament confirmed via MRI, initial encounter (S43.401A). Mechanism: Fall from bicycle (V18.5XXA).
Explanation
The good example specifies the grade of the sprain, the anatomical structure involved, and the mechanism of injury, which are all necessary for accurate coding.

Need help with ICD-10 coding for Right Shoulder Sprain? Ask your questions below.

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