What is the ICD-10 code for an AC joint sprain?

The ICD-10 codes for an AC joint sprain are S43.50 for unspecified, S43.51 for right, and S43.52 for left AC joint sprains.

How do you document an AC joint sprain?

Document the specific joint, laterality, encounter type, mechanism of injury, and clinical findings such as tenderness and imaging results.

ICD-10 Coding for Acromioclavicular Joint Sprain(S43.50, M25.51, S43.1)

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Learn about ICD-10 coding for AC joint sprains, including specific codes for right, left, and unspecified sprains, and documentation requirements.

Also known as:

AC Joint SprainShoulder Sprain

Related ICD-10 Code Ranges

Complete code families applicable to Acromioclavicular Joint Sprain

S00-T88Primary Range

Injury, poisoning and certain other consequences of external causes

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
S43.50	Sprain of unspecified acromioclavicular joint	Use when laterality is not documented.	Physical exam showing tenderness over AC joint X-ray ruling out dislocation
S43.51	Sprain of right acromioclavicular joint	Use when the sprain is confirmed on the right side.	Positive cross-body adduction test X-ray confirming no dislocation
S43.52	Sprain of left acromioclavicular joint	Use when the sprain is confirmed on the left side.	Positive Paxinos test MRI showing no ligament rupture

Primary ICD-10-CM Codes

Sprain of unspecified acromioclavicular joint

S43.50

Differential Codes

Alternative codes to consider when ruling out similar conditions

Dislocation of acromioclavicular jointS43.1

Use if imaging shows >25% clavicular displacement.

Dislocation of right acromioclavicular jointS43.11

Use if imaging confirms dislocation.

Dislocation of left acromioclavicular jointS43.12

Use if imaging confirms dislocation.

Documentation & Coding Risks

Avoid these common issues when documenting Acromioclavicular Joint Sprain.

Failure to document encounter type.

Impact

Clinical: Inaccurate tracking of patient progress., Regulatory: Non-compliance with ICD-10 guidelines., Financial: Potential claim denials.

Mitigation

Always include encounter type in documentation.

Using unspecified codes when laterality is known.

Impact

Reimbursement: May lead to reduced reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of health records.

Mitigation

Ensure documentation specifies right or left AC joint.

Unspecified Codes

Impact

Use of unspecified codes when laterality is known.

Mitigation

Educate providers on the importance of documenting laterality.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with S43.50.

Primary Code

S43.50

Sprain of unspecified acromioclavicular joint

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ICD-10 codes9

Coding risks3

FAQs2

ICD-10 Coding for Acromioclavicular Joint Sprain(S43.50, M25.51, S43.1)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for an AC joint sprain?

How do you document an AC joint sprain?

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