CPT code 22102: Partial excision of posterior vertebral component, lumbar

Key takeaways

CPT code 22102 describes partial excision of a posterior vertebral component for an intrinsic bony lesion at a single lumbar segment.

The component removed is the spinous process, the lamina, or a facet, and the operative note has to name which one.

Use add-on code 22103 for each additional vertebral segment beyond the primary lumbar segment. It cannot be reported alone.

Work RVU for 22102 is 10.80 and total RVU is 21.02 in the January 2026 CMS Physician Fee Schedule release.

Missing modifiers and thin documentation of the intrinsic bony lesion are the two most common denial triggers for 22102 claims.

CPT code 22102 covers partial excision of a posterior vertebral component for an intrinsic bony lesion at one lumbar segment. It sits under Excision Procedures on the Spine in the AMA CPT code set. The official descriptor reads: Partial excision of posterior vertebral component (e.g., spinous process, lamina or facet) for intrinsic bony lesion, single vertebral segment; lumbar.

Three elements decide whether this code is the right one, and each has to appear explicitly in the operative note:

• The excision is of a posterior vertebral component, meaning the spinous process, the lamina, or a facet joint
• The indication is an intrinsic bony lesion of the vertebra itself, not a herniated disc and not an extradural intraspinal lesion
• The procedure treats a single lumbar vertebral segment

Intrinsic bony lesions here include benign bone tumors such as osteoid osteoma, osteoblastoma, and aneurysmal bone cysts, all arising from the vertebral bone itself. Spine surgeons and the physical therapy teams handling post-surgical rehab both need the distinction. Miscoding at the surgical stage follows the patient into every record that references the procedure.

Clinical context: procedure anatomy and indications

The surgery involves removing part of the bony posterior arch of a lumbar vertebra. Depending on the lesion location, the surgeon may excise the spinous process, part of the lamina, or the articular facet. The posterior approach is standard, with the patient prone.

Indications narrow to lesions that are intrinsic to the bone. That qualifier is what separates 22102 from several adjacent codes.

An osteoid osteoma at L3 supports 22102, and so does an aneurysmal bone cyst in the L2 lamina. A giant cell tumor of a lumbar facet qualifies too, as long as one segment is treated. Pre-operative imaging confirming the intrinsic bony lesion has to accompany the claim.

When the same procedure is performed for an extradural intraspinal lesion (other than neoplasm), CPT 63267 applies instead. That distinction is covered in detail in the comparison section below.

CPT code 22102 in the spinal excision code family

Codes 22100 through 22103 form the cervical/thoracic/lumbar posterior vertebral excision family. Picking the wrong member for the operative region is one of the most common coding errors in spine billing. The table below shows how each code in this CPT code family differs. Reshaping a lumbar segment through an osteotomy sits outside the family and bills as 22224.

When to report add-on code 22103

CPT 22103 is an add-on code, meaning it cannot be reported on its own. It requires a primary code (22100, 22101, or 22102) on the same claim. Report it once for each additional vertebral segment excised beyond the primary segment.

Say a surgeon excises an intrinsic bony lesion at L3 and L4 in the same operative session. The correct claim is 22102 for the L3 segment plus 22103 for L4. Leaving 22103 off the claim gives away the reimbursement for the second segment. Reporting 22103 without a documented second segment triggers National Correct Coding Initiative (NCCI) edit denials.

Modifiers for CPT code 22102

Modifier use for CPT code 22102 follows standard surgical coding rules, but each modifier carries specific documentation requirements that payers check. Applying the wrong modifier and omitting one that is clinically warranted are both common denial triggers.

Modifier use is subject to NCCI edits maintained by the Centers for Medicare and Medicaid Services (CMS). Check current edits against the CMS NCCI Policy Manual before you finalize claims. Payer-specific restrictions can limit modifier use further.

RVU values for CPT code 22102

The CMS Physician Fee Schedule assigns relative value units (RVUs) to CPT code 22102 every year. The figures below come from the January 2026 release. Dollar reimbursement is total RVUs multiplied by the Medicare conversion factor, then adjusted by the geographic practice cost index (GPCI) for the service location.

RVU values change with each Physician Fee Schedule final rule, so a figure from last year will quietly skew a productivity report. Check the current numbers in the FastRVU 2026 RVU lookup or the CMS PFS search tool before you set internal benchmarks.

Medicare reimbursement for CPT 22102

Medicare reimbursement for CPT code 22102 is calculated from total RVUs multiplied by the annual conversion factor, adjusted by the GPCI for the practice’s locality. Facility rates (hospital or ambulatory surgical center) differ from non-facility rates.

Because this is a surgical procedure, most CPT code 22102 claims are billed under the facility rate. The non-facility rate applies only in a physician office setting, which is uncommon for lumbar spinal excision. Build locality-specific fee schedules into your billing rules engine rather than working from national averages. The same discipline pays off across the rest of your medical practice management workflows.

Payer-specific rates and verification

Commercial payers negotiate rates independently of the Medicare fee schedule. A Blue Cross or Aetna rate may sit above or below Medicare. It depends on the market and the fee schedule you have contracted. Verify contracted rates by:

• Reviewing the provider agreement schedule of benefits for surgical codes
• Running a pre-authorization or fee schedule inquiry through the payer’s provider portal
• Using a clearinghouse that aggregates payer-specific rates by CPT code
• Checking the payer’s local coverage determination (LCD) for spinal surgery procedures

Practice management software like Pabau reports denial patterns by CPT code, so a spine practice can see which payers underpay or reject 22102 claims. The same report shows which modifier combinations sit behind those decisions, which is what tells you whether the problem is coding or contracting.

ICD-10 diagnosis codes commonly billed with CPT code 22102

Pairing CPT code 22102 with the correct ICD-10-CM diagnosis code is essential for medical necessity. Payer LCDs for spinal surgery specify which ICD-10 codes support coverage. The table below lists the most commonly paired codes.

Check current-year validity in the CDC/NCHS ICD-10-CM web tool. Payer acceptance varies, so read the applicable LCD for lumbar spine surgery before you submit. Avoid one pairing in particular. Vertebral discitis coded as M46.46 supports debridement billed under 63267, not 22102.

Documentation requirements for CPT code 22102

Thin documentation is the most preventable cause of 22102 denials. The operative note has to substantiate every element of the code descriptor. HIPAA compliance rules for electronic claims add a second reason to get it right, because the clinical record must support the billed service before transmission.

• Intrinsic bony lesion confirmation: Pre-operative imaging (CT, MRI, or X-ray) identifying the lesion within the vertebral bone, not as a soft tissue or extradural finding
• Anatomical specificity: The note names the exact vertebral level, such as L3, and the posterior component excised. It also confirms the lumbar region
• Single vs. multiple segments: State clearly how many segments were treated. Each additional segment requires its own 22103 line on the claim
• Medical necessity narrative: Explains why surgical excision was selected over conservative management, referencing symptom duration, failed alternatives, and radiographic findings
• Pathology report: When excised tissue is sent for pathological analysis, the report supports the intrinsic bony lesion diagnosis and is required by many Medicare contractors
• Surgeon credentials and role: If co-surgeon (-62) or assistant surgeon (-80) modifiers are used, document each surgeon’s specific contributions

Practices whose clinical documentation feeds the billing platform directly make fewer re-entry errors, because the operative note fields populate the claim form. That covers the vertebral level, the modifier flags, and the ICD-10 pairing. Sports medicine teams carrying the same patients through rehab lean on that cross-referencing when payers request records during an audit.

CPT code 22102 vs. CPT 63267: Choosing the correct spinal excision code

The most frequent coding error in lumbar spinal excision billing is using CPT code 22102 when CPT 63267 is correct, or vice versa. Both involve excision of posterior spinal tissue in the lumbar region, but the lesion type and surgical plane are fundamentally different.

If imaging shows an epidural abscess compressing the lumbar cord, 63267 is correct even when a laminectomy is performed to reach it. If imaging shows an osteoid osteoma in the L3 lamina, 22102 is correct. The pre-operative imaging report and the operative indication section carry that distinction.

Neither code covers disc pathology or vertebral body augmentation. Intradiscal work carries its own codes, such as 22527, and cement augmentation of a collapsed vertebra bills with the vertebroplasty codes, including 22510.

Common billing errors and how to avoid them

Most denials on CPT code 22102 claims fall into four categories. Each has a specific fix at the pre-submission stage.

• Wrong anatomical region code: Billing 22101 (thoracic) or 22100 (cervical) when the operative note clearly states lumbar. This happens most often when coders default to a template without verifying the level against the operative report. Fix: Build a mandatory vertebral-region field into your documentation template.
• Missing 22103 for additional segments: Surgeons often treat two or three adjacent lumbar segments in one session. Only the primary segment reaches the claim. Every additional segment in the operative note needs its own 22103 line. Fix: Add a segment count field to the post-operative charge capture form.
• No modifier where clinically warranted: A co-surgeon performs a distinct portion of the excision, but the note never says so. One provider bills without -62, and the second surgeon’s work goes unbilled. Fix: Verify co-surgeon and assistant documentation before the operative note is closed.
• Inadequate lesion documentation: The operative note describes the excision but does not explicitly label the lesion as an intrinsic bony lesion. Payers then deny on medical necessity grounds. Fix: Ensure the pre-operative diagnosis in the chart uses the exact language “intrinsic bony lesion” and references supporting imaging.

A pre-submission claim scrub catches all four. It cross-checks the CPT code against the documented procedure levels, the modifiers present, and the ICD-10 pairing. Practice management software with a rules engine flags those mismatches before the claim reaches the clearinghouse.

How practice management software supports accurate spinal billing

A coding reference tells you which code is correct. It cannot stop the re-entry errors, the missing modifiers, and the thin lesion documentation that turn a correct code into a denied claim. Those are workflow problems, and they get solved where the note and the claim are built from the same data.

Pabau ties clinical documentation to claims submission. The operative note fields, the vertebral level, the lesion type, and the modifier flags populate the claim directly, with no retyping in between. Its claims management tools then group denials by CPT code, so you can tell whether 22102 rejections trace back to modifiers, documentation, or ICD-10 pairing.

AI-assisted documentation from Pabau Scribe, our AI scribe, structures surgical notes consistently from dictation. That makes it far less likely a note ships without the intrinsic bony lesion language payers look for.

Reporting by payer also shows where an appeal is worth the effort. Some practices follow spine patients from imaging through surgery, pathology, and rehab. One linked record keeps that documentation chain intact when an auditor asks for it.

Cut spine surgery claim denials at the source

Pabau links your CPT code 22102 operative notes, modifiers, and ICD-10 pairings from the procedure record through to the payer. Your billing team stops retyping surgical detail that is already in the chart.

Book a demo

Conclusion

Choosing 22102 is the easy part. Keeping the claim intact takes three habits. Name the intrinsic bony lesion in the operative note. Count the segments before charge capture. Tie every modifier to something you can point to in the record.

Practices that build those checks into the note itself stop chasing denials weeks later. The trade-off is a slightly slower close on the operative note, in exchange for a claim that clears payer review on the first pass.

Pabau keeps surgical records, ICD-10 pairings, and modifier logic linked from the procedure note through to submission. Book a demo to see how that removes the manual handoffs where 22102 errors start.

Continue your research

Coding a cervical spine fracture next? CPT code 22318 walks through odontoid fracture repair, its RVU values, and the fee schedule.

Billing sacral nerve stimulation test leads? HCPCS code A4290 sets out how the supply is billed and what the documentation has to show.

Reconstructive flap surgery on the schedule? CPT code 20972 breaks down free osteocutaneous flap billing and the notes that support it.

Need a discharge document for post-operative patients? Patient discharge form gives you a free template plus the fields worth recording every time.

Want the reporting behind fewer denials? Practice management software features covers the documentation and reporting tools that keep surgical claims clean.

Frequently asked questions