CPT 22226Surgery

Osteot dsc ant 1vrt sgm ea

CPT code 22226 covers the surgical cutting and reshaping of vertebral bone from the front of the spine for each additional spinal segment beyond the first. This is an add-on code used only with primary spinal osteotomy procedures to correct severe spinal deformities.

Showing rates for

National Average

Base Medicare rate

$349.67

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

6.03

PE RVU (NF)

3.06

MP RVU

1.72

Total RVU

10.81

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

NCCI bundling edits

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Billing tips

Always bill 22226 with its primary code (22220, 22222, or 22224) on the same claim; this is a mandatory add-on code that cannot be billed independently
Impact: Standalone billing results in 100% denial; proper sequencing ensures full $349.67 reimbursement per segment
Document each additional vertebral segment separately in operative note with specific anatomical levels (e.g., L2, L3, L4) and distinct osteotomy performed at each level
Impact: Clear documentation of each level supports billing multiple units of 22226; vague documentation may reduce payment by $349.67 per undocumented segment
Report exact number of additional segments with unit count; if three total segments are operated (one primary + two additional), report primary code x1 and 22226 x2
Impact: Correct unit reporting captures full reimbursement; undercoding loses $349.67 per unreported segment
Include detailed operative report highlighting increased complexity, operative time, and anatomical challenges when using modifier 22 for unusual procedural services
Impact: Successful modifier 22 appeals can increase total case reimbursement by $1,000-$3,000 for complex multi-level cases
Verify LCD/NCD coverage policies for spinal osteotomy procedures in your MAC jurisdiction; some require pre-authorization for multi-level cases
Impact: Failure to obtain pre-authorization can result in complete claim denial, potentially $3,000-$10,000+ for multi-level cases
Coordinate billing with facility to ensure ICD-10 diagnosis codes match and support medical necessity for multi-level anterior osteotomy (M41.-, M40.-, M45.-, M48.1)

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Frequently asked questions

What is the Medicare reimbursement rate for CPT code 22226 in 2025?

The 2025 Medicare national average reimbursement for CPT 22226 is $349.67 for both facility and non-facility settings. This rate is based on 10.81 total RVUs (6.03 work RVU, 3.06 PE RVU, 1.72 MP RVU) multiplied by the 2025 conversion factor of 32.3465.

Can CPT code 22226 be billed alone or does it require another code?

No, CPT 22226 cannot be billed alone. It is an add-on code (indicated by the '+' symbol in CPT manual) that must be reported with a primary anterior spinal osteotomy code such as 22220, 22222, or 22224. Billing 22226 without a primary code will result in denial.

How many times can I bill CPT code 22226 for a multi-level spinal osteotomy?

You can bill CPT 22226 for each additional vertebral segment beyond the first segment (which is reported with the primary code). For example, if performing anterior osteotomy on three total segments, you would bill the primary code once and 22226 twice. Each additional segment must be clearly documented in the operative report with specific anatomical levels identified.

What is the difference between CPT 22226 and the primary osteotomy codes?

The primary codes (22220 for cervical, 22222 for thoracic, 22224 for lumbar) represent the first vertebral segment treated with anterior osteotomy. CPT 22226 represents each additional segment operated during the same session, regardless of spinal region. The primary code has higher reimbursement while 22226 provides incremental payment for additional work.

What documentation is required to support billing multiple units of CPT 22226?

Documentation must include specific identification of each vertebral level/segment treated, detailed description of the osteotomy performed at each level, medical necessity for multi-level treatment, total operative time, and anatomical approach used. Vague documentation like 'multiple levels' without specific segment identification will likely result in reduced payment or denial.

Does CPT 22226 include spinal fusion and instrumentation?

No, CPT 22226 covers only the osteotomy (bone cutting and reshaping) portion of the procedure. Spinal fusion (22558, 22585, 22590, etc.) and instrumentation (22840, 22841, 22842, 22843, 22844, 22845, etc.) are billed separately when performed with appropriate documentation. These are distinct procedures that may be performed during the same operative session.

What are the most common denial reasons for CPT 22226?

The most common denials include: billing without the required primary osteotomy code, insufficient documentation of specific vertebral levels treated, medical necessity questions about multi-level anterior approach, and unbundling edits with other spinal procedures. Each denial type requires specific documentation and appeals strategies to overturn.