CPT 22222Surgery

Osteot dsc ant 1vrt sgm thrc

CPT code 22222 represents an osteotomy (surgical bone cutting and realignment) performed on one segment of the thoracic spine through an anterior approach. This is a complex spinal surgery used to correct deformities or realign vertebrae in the mid-back region.

Showing rates for

National Average

Base Medicare rate

$1,749.95

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

23.09

PE RVU (NF)

21.52

MP RVU

9.49

Total RVU

54.1

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

NCCI bundling edits

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Billing tips

Always bill 22222 as add-on to primary procedure codes (22548-22585, 22612-22632) - never bill as standalone code
Impact: Prevents automatic denial; 22222 is defined as +22222 add-on code and will reject without valid primary code on same claim
Document specific vertebral level treated and clearly differentiate from primary osteotomy (22220) in operative report
Impact: Prevents bundling denials and supports medical necessity; lack of level-specific documentation results in 60-80% denial rate
Verify payer recognizes 22222 as modifier 51 exempt to ensure full payment when billing multiple add-on codes
Impact: Protects full $1749.95 reimbursement per level; incorrect modifier application can trigger 50% payment reduction
Use modifier 59 when performing osteotomy at non-contiguous level or anatomically distinct site from primary procedure
Impact: Overcomes NCCI edits and CCI bundling; can recover $1749.95 that would otherwise be denied as included service
Submit detailed operative note with claim showing separate and distinct work for each additional vertebral segment beyond first
Impact: Reduces appeals and speeds initial payment; proactive documentation submission decreases denial rate by approximately 40%
For bilateral approaches or revision cases, ensure documentation supports medical necessity and append modifier 22 with comparative statement
Impact: Can increase reimbursement to $2099.94-$2624.93 (20-50% above base) when documentation justifies increased complexity

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Frequently asked questions

What is CPT code 22222 used for?

CPT 22222 is used for anterior osteotomy (surgical bone cutting and realignment) of one additional vertebral segment in the thoracic spine. It is an add-on code used in conjunction with primary spinal osteotomy or fusion procedures to correct spinal deformities such as kyphosis or scoliosis through an anterior surgical approach.

How much does Medicare pay for CPT 22222 in 2025?

Medicare pays $1749.95 for CPT 22222 in 2025 under both facility and non-facility settings based on the national average. The code carries 54.1 total RVUs (23.09 work RVU, 21.52 PE RVU, 9.49 MP RVU) multiplied by the 2025 conversion factor of 32.3465.

Can CPT 22222 be billed alone or does it require a primary code?

CPT 22222 cannot be billed alone. It is designated as an add-on code (indicated by the + symbol) and must be billed with a primary osteotomy or spinal fusion procedure code such as 22220, 22548-22585, or 22612-22632. Claims submitted with 22222 as a standalone code will be automatically denied.

What is the difference between CPT 22220 and 22222?

CPT 22220 is the primary code for the first thoracic vertebral osteotomy performed via anterior approach, while 22222 is the add-on code for each additional thoracic vertebral segment beyond the first. You would bill 22220 for the initial level and 22222 for each additional level treated during the same operative session.

What modifiers are commonly used with CPT 22222?

Common modifiers for CPT 22222 include modifier 59 (distinct procedural service at different level or session), modifier 22 (increased procedural complexity requiring substantially greater work), modifier 62 (co-surgeons when two qualified surgeons perform distinct portions), and modifier AS (assistant surgeon services). Modifier 51 typically does not apply as 22222 is exempt from multiple procedure reductions.

What documentation is required to bill CPT 22222?

Required documentation includes the specific thoracic vertebral level (T1-T12), detailed description of anterior approach, bone cutting and realignment technique, measurements of deformity correction achieved, clear identification of the primary procedure, separate documentation of work at each additional level, medical necessity justification with imaging findings, and operative time. Lack of level-specific documentation is a leading cause of denials.

How many times can CPT 22222 be billed per operative session?

CPT 22222 can be billed multiple times per operative session, once for each additional thoracic vertebral segment beyond the first (which is reported with the primary code). For example, a three-level thoracic osteotomy would be coded as 22220 (first level) plus 22222 x 2 (two additional levels). Each level must be clearly documented and medically necessary.