CPT 23530Surgery

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CPT 23530 covers surgical repair of a dislocated collarbone (clavicle), whether the injury is recent (acute) or long-standing (chronic). This procedure involves repositioning the bone and stabilizing it with pins, screws, or plates.

Showing rates for

National Average

Base Medicare rate

$574.80

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

7.48

PE RVU (NF)

8.75

MP RVU

1.54

Total RVU

17.77

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Clearly document whether dislocation is acute (within 3 weeks) or chronic (beyond 3 weeks) in operative note, as payer auditors scrutinize timeline
Impact: Missing timeline documentation accounts for approximately 15-20% of denials; clear documentation prevents $574.8 claim rejection
Detail internal fixation method used (K-wires, screws, plate, suture anchors, reconstruction technique) to support code selection versus simpler manipulation
Impact: Justifies surgical approach over closed treatment (23525, lower RVU) and prevents downcoding that could reduce payment by $200+
Bill in facility setting when performed as facility rates match non-facility ($574.8) so location flexibility exists without reimbursement impact
Impact: Unlike many codes with facility/non-facility differentials, 23530 reimburses identically, allowing scheduling flexibility
Consider modifier 22 for posterior dislocations given proximity to great vessels and increased surgical risk; attach operative report showing extended time
Impact: Posterior SC dislocations may justify 25-40% increase ($143.70-$229.92 additional) with proper documentation of vascular proximity and extended surgical time
Document medical necessity for open approach versus closed reduction, including failed closed attempts, neurovascular compromise, or chronic instability
Impact: Prevents payer questioning of why higher-level open procedure was needed; supports full $574.8 payment versus expectation of closed treatment attempt
Verify assistant surgeon necessity and document in operative report if billing with modifier 80, especially for posterior dislocations

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Frequently asked questions

What is the 2025 Medicare reimbursement rate for CPT 23530?

The 2025 Medicare national average reimbursement for CPT 23530 is $574.8 for both facility and non-facility settings. This rate is based on 17.77 total RVUs (7.48 work RVU + 8.75 PE RVU + 1.54 MP RVU) multiplied by the 2025 conversion factor of 32.3465. Actual payment may vary by geographic locality.

What does CPT code 23530 include?

CPT 23530 covers open treatment of sternoclavicular joint dislocation, whether acute or chronic. It includes surgical exposure, reduction of the dislocation, and internal fixation as needed (pins, wires, screws, plates, or soft tissue reconstruction). The code applies to both anterior and posterior dislocations.

What is the difference between acute and chronic sternoclavicular dislocation for billing 23530?

Both acute (within 3 weeks of injury) and chronic (beyond 3 weeks or recurrent) sternoclavicular dislocations are reported with the same CPT 23530 code. However, documentation must clearly specify the timeline, as chronic cases typically require more extensive soft tissue reconstruction, which may support modifier 22 for increased complexity.

Can CPT 23530 be billed with other shoulder procedure codes?

Yes, but careful attention to NCCI edits is required. CPT 23530 for sternoclavicular joint work is anatomically distinct from glenohumeral or acromioclavicular procedures. Use modifier 59 when billing with other shoulder codes to indicate distinct procedural service. Documentation must clearly show separate anatomic sites or distinct surgical sessions.

Do I need a modifier for laterality when billing CPT 23530?

Yes, laterality modifiers LT (left) or RT (right) are required for CPT 23530. Failure to append the appropriate laterality modifier will result in claim denial or suspension. Always verify the affected side is documented in the operative report and matches the claim modifier.

What documentation is required to support CPT 23530 versus closed treatment?

Documentation must justify the open surgical approach over closed reduction. Required elements include: failed closed reduction attempt, neurovascular compromise requiring open reduction, chronic instability, posterior dislocation with vascular risk, or associated fractures requiring internal fixation. The operative note must detail the fixation method and implants used.

When is modifier 22 appropriate for CPT 23530?

Modifier 22 is appropriate for significantly increased complexity such as posterior dislocation with vascular compression or dissection around major vessels, severe comminution requiring extensive reconstruction, or revision of failed prior surgery. Documentation must include significantly extended operative time (typically 50%+ longer than usual) and detailed explanation of additional complexity. This may increase reimbursement by 20-50% above the base $574.8.