CPT 21452Surgery

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CPT 21452 covers the treatment of a broken jawbone (mandibular fracture) using a minimally invasive technique with pins or wires placed through the skin to hold the bone in position. This is a percutaneous (through-the-skin) procedure that uses external fixation devices rather than requiring open surgery.

Showing rates for

National Average

Base Medicare rate

$693.83

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

2.4

PE RVU (NF)

18.81

MP RVU

0.24

Total RVU

21.45

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

NCCI bundling edits

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Billing tips

Verify place of service code accuracy—POS 22 (outpatient hospital) versus POS 21 (inpatient hospital) versus POS 24 (ASC) determines facility versus non-facility rate
Impact: Incorrect POS coding can result in $255.86 payment difference between facility and non-facility rates or claim rejection
Document the percutaneous approach explicitly in the operative report; distinguish from open reduction codes (21454-21470) to prevent upcoding allegations
Impact: Lack of clear percutaneous documentation may lead to denial or downgrade to non-surgical fracture care codes (21450-21451) with significantly lower reimbursement
Bill for hardware/external fixation devices separately using appropriate supply codes (C1713 or facility charging mechanisms) as these are not included in the professional fee
Impact: External fixation devices can represent $500-$2,000 in additional facility revenue that is frequently missed when not separately documented
Ensure fracture imaging (panorex, CT, or plain films) is documented in the medical record and billed separately when performed and interpreted by your practice
Impact: Diagnostic imaging adds $50-$300 in legitimate additional revenue and supports medical necessity for the procedure
For emergency department cases, verify that the global surgical package rules are understood by the billing team—E/M services on the day of surgery require modifier 57 for major procedures
Impact: Missing modifier 57 on decision-for-surgery E/M can result in $100-$300 denied E/M charge in trauma presentations
Track the 90-day global period carefully; related postoperative visits are bundled while unrelated problems can be billed with modifier 24

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Frequently asked questions

What is the Medicare reimbursement for CPT 21452 in 2025?

The 2025 Medicare national average reimbursement for CPT 21452 is $693.83 in non-facility settings and $437.97 in facility settings. The rate difference reflects that facilities receive separate payment for overhead and equipment costs.

How many RVUs is CPT code 21452 worth?

CPT 21452 has a total of 21.45 RVUs for 2025, consisting of 2.4 work RVUs, 18.81 non-facility practice expense RVUs (10.9 facility PE RVUs), and 0.24 malpractice RVUs.

What is the difference between CPT 21452 and 21454?

CPT 21452 describes percutaneous treatment of mandibular fracture with external fixation (through small skin incisions), while CPT 21454 involves open treatment with external fixation requiring larger incisions and direct surgical exposure of the fracture site. The open approach (21454) typically reimburses at a higher rate due to increased complexity.

Can CPT 21452 be billed bilaterally?

Yes, CPT 21452 can be billed bilaterally with modifier 50 when fractures on both sides of the mandible are treated with separate external fixation during the same operative session. Bilateral billing typically reimburses at 150% of the unilateral rate when medically necessary and properly documented.

What is the global period for CPT 21452?

CPT 21452 has a 90-day global surgical period, meaning routine postoperative care for 90 days following the procedure is included in the reimbursement. Related follow-up visits during this period cannot be separately billed unless they involve unrelated problems (modifier 24) or complications requiring return to surgery (modifier 78).

What documentation is required to bill CPT 21452?

Documentation must include clear description of the percutaneous approach, fracture characteristics requiring surgical treatment, number and placement of external fixation pins, type of external frame applied, imaging confirmation of reduction, and medical necessity for the chosen approach. The operative report must distinguish percutaneous technique from open surgical approaches.

What are common denial reasons for CPT 21452?

Common denials include lack of medical necessity documentation, confusion between percutaneous and open approaches leading to coding disputes, bundling denials when billed with other fracture codes, and global period violations when related services are billed during the 90-day postoperative window without appropriate modifiers.