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Official Description

Partial excision of posterior vertebral component (eg, spinous process, lamina or facet) for intrinsic bony lesion, single vertebral segment; thoracic

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 22101 refers to the procedure of partial excision of a posterior vertebral component, specifically for an intrinsic bony lesion located in a single vertebral segment of the thoracic spine. This procedure involves the surgical removal of a portion of the vertebra, which may include structures such as the spinous process, lamina, or facet. The physician initiates the process by making an incision over the affected vertebral segment, which allows access to the underlying tissues. The incision is carefully extended through the paravertebral muscles to reach the bony lesion, which could be a bone spur or another type of bony growth. Once the lesion is exposed, the physician excises the affected portion of the vertebral component, thereby alleviating any associated symptoms or complications. After the excision, the incision is closed, completing the procedure. It is important to note that this code is specifically designated for thoracic segments, with separate codes available for cervical and lumbar segments, as well as for additional segments if multiple excisions are performed.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure described by CPT® Code 22101 is indicated for the treatment of intrinsic bony lesions located in the thoracic vertebrae. These lesions may present as bone spurs or other abnormal bony growths that can cause pain, discomfort, or neurological symptoms due to their location and interaction with surrounding structures. The decision to perform a partial excision is typically based on the presence of symptoms that significantly affect the patient's quality of life or functional abilities, as well as imaging findings that confirm the presence of a bony lesion in the thoracic spine.

  • Intrinsic Bony Lesion The procedure is performed to address a bony lesion that is intrinsic to the vertebral component, such as a bone spur.
  • Thoracic Segment The procedure specifically targets lesions located in the thoracic region of the spine.
  • Symptomatic Relief The procedure is indicated for patients experiencing symptoms related to the bony lesion, such as pain or discomfort.

2. Procedure

The procedure begins with the physician making a precise incision over the thoracic vertebral segment that contains the bony lesion. This incision is carefully planned to ensure optimal access while minimizing damage to surrounding tissues. Once the incision is made, the physician dissects through the paravertebral muscles, which are located adjacent to the spine, to reach the underlying vertebral component. Upon accessing the lesion, the physician identifies the specific area of the bony growth that requires excision. The affected portion of the vertebra, which may include the spinous process, lamina, or facet, is then carefully excised. This step is crucial as it aims to remove the source of symptoms while preserving as much of the surrounding healthy vertebral structure as possible. After the excision is completed, the physician meticulously closes the incision, ensuring proper alignment of the tissues to promote healing.

  • Step 1: Incision The physician makes an incision over the thoracic vertebral segment containing the bony lesion.
  • Step 2: Dissection The incision is extended through the paravertebral muscles to access the lesion.
  • Step 3: Excision The affected portion of the vertebral component is excised to remove the bony lesion.
  • Step 4: Closure The incision is closed, ensuring proper alignment of the tissues.

3. Post-Procedure

After the completion of the procedure, patients are typically monitored for any immediate complications. Post-operative care may include pain management and instructions for activity restrictions to promote healing. Patients are advised to follow up with their healthcare provider to assess recovery and to monitor for any potential complications, such as infection or excessive bleeding. Rehabilitation may be recommended to restore strength and mobility in the affected area, depending on the extent of the surgery and the patient's overall health status. It is essential for patients to adhere to the post-operative care instructions provided by their physician to ensure optimal recovery.

Short Descr REMOVE PART THORAX VERTEBRA
Medium Descr PRTL EXC PST VRT INTRNSC B1Y LES 1 VRT SGM THRC
Long Descr Partial excision of posterior vertebral component (eg, spinous process, lamina or facet) for intrinsic bony lesion, single vertebral segment; thoracic
Status Code Active Code
Global Days 090 - Major Surgery
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 2 - Standard payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50) 0 - 150% payment adjustment for bilateral procedures does NOT apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 2 - Payment restriction for assistants at surgery does not apply to this procedure...
Co-Surgeons (62) 1 - Co-surgeons could be paid, though supporting documentation is required...
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Hospital Part B services paid through a comprehensive APC
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P3D - Major procedure, orthopedic - other
MUE 1
CCS Clinical Classification 142 - Partial excision bone

This is a primary code that can be used with these additional add-on codes.

22103 Addon Code MPFS Status: Active Code APC N ASC N1 CPT Assistant Article Partial excision of posterior vertebral component (eg, spinous process, lamina or facet) for intrinsic bony lesion, single vertebral segment; each additional segment (List separately in addition to code for primary procedure)
22840 Addon Code MPFS Status: Active Code APC N ASC N1 Physician Quality Reporting CPT Assistant Article Posterior non-segmental instrumentation (eg, Harrington rod technique, pedicle fixation across 1 interspace, atlantoaxial transarticular screw fixation, sublaminar wiring at C1, facet screw fixation) (List separately in addition to code for primary procedure)
22841 Addon Code MPFS Status: Bundled Code APC C Physician Quality Reporting CPT Assistant Article Internal spinal fixation by wiring of spinous processes (List separately in addition to code for primary procedure)
22842 Addon Code MPFS Status: Active Code APC N ASC N1 Physician Quality Reporting CPT Assistant Article Posterior segmental instrumentation (eg, pedicle fixation, dual rods with multiple hooks and sublaminar wires); 3 to 6 vertebral segments (List separately in addition to code for primary procedure)
22843 Addon Code MPFS Status: Active Code APC C Physician Quality Reporting CPT Assistant Article Posterior segmental instrumentation (eg, pedicle fixation, dual rods with multiple hooks and sublaminar wires); 7 to 12 vertebral segments (List separately in addition to code for primary procedure)
22844 Addon Code MPFS Status: Active Code APC C Physician Quality Reporting CPT Assistant Article Posterior segmental instrumentation (eg, pedicle fixation, dual rods with multiple hooks and sublaminar wires); 13 or more vertebral segments (List separately in addition to code for primary procedure)
22845 Addon Code MPFS Status: Active Code APC N ASC N1 Physician Quality Reporting CPT Assistant Article Illustration for Code Anterior instrumentation; 2 to 3 vertebral segments (List separately in addition to code for primary procedure)
22846 Addon Code MPFS Status: Active Code APC C Physician Quality Reporting CPT Assistant Article Illustration for Code Anterior instrumentation; 4 to 7 vertebral segments (List separately in addition to code for primary procedure)
22847 Addon Code MPFS Status: Active Code APC C Physician Quality Reporting CPT Assistant Article Illustration for Code Anterior instrumentation; 8 or more vertebral segments (List separately in addition to code for primary procedure)
22848 Addon Code MPFS Status: Active Code APC N Physician Quality Reporting CPT Assistant Article Pelvic fixation (attachment of caudal end of instrumentation to pelvic bony structures) other than sacrum (List separately in addition to code for primary procedure)
22853 CPT Add On MPFS Status: Active Code APC N ASC N1 Insertion of interbody biomechanical device(s) (eg, synthetic cage, mesh) with integral anterior instrumentation for device anchoring (eg, screws, flanges), when performed, to intervertebral disc space in conjunction with interbody arthrodesis, each interspace (List separately in addition to code for primary procedure)
22854 CPT Add On MPFS Status: Active Code APC N ASC N1 Insertion of intervertebral biomechanical device(s) (eg, synthetic cage, mesh) with integral anterior instrumentation for device anchoring (eg, screws, flanges), when performed, to vertebral corpectomy(ies) (vertebral body resection, partial or complete) defect, in conjunction with interbody arthrodesis, each contiguous defect (List separately in addition to code for primary procedure)
22859 CPT Add On CPT Resequenced MPFS Status: Active Code APC N ASC N1 Insertion of intervertebral biomechanical device(s) (eg, synthetic cage, mesh, methylmethacrylate) to intervertebral disc space or vertebral body defect without interbody arthrodesis, each contiguous defect (List separately in addition to code for primary procedure)
51 Multiple procedures: when multiple procedures, other than e/m services, physical medicine and rehabilitation services or provision of supplies (eg, vaccines), are performed at the same session by the same individual, the primary procedure or service may be reported as listed. the additional procedure(s) or service(s) may be identified by appending modifier 51 to the additional procedure or service code(s). note: this modifier should not be appended to designated "add-on" codes (see appendix d).
58 Staged or related procedure or service by the same physician or other qualified health care professional during the postoperative period: it may be necessary to indicate that the performance of a procedure or service during the postoperative period was: (a) planned or anticipated (staged); (b) more extensive than the original procedure; or (c) for therapy following a surgical procedure. this circumstance may be reported by adding modifier 58 to the staged or related procedure. note: for treatment of a problem that requires a return to the operating/procedure room (eg, unanticipated clinical condition), see modifier 78.
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
62 Two surgeons: when 2 surgeons work together as primary surgeons performing distinct part(s) of a procedure, each surgeon should report his/her distinct operative work by adding modifier 62 to the procedure code and any associated add-on code(s) for that procedure as long as both surgeons continue to work together as primary surgeons. each surgeon should report the co-surgery once using the same procedure code. if additional procedure(s) (including add-on procedure(s) are performed during the same surgical session, separate code(s) may also be reported with modifier 62 added. note: if a co-surgeon acts as an assistant in the performance of additional procedure(s), other than those reported with the modifier 62, during the same surgical session, those services may be reported using separate procedure code(s) with modifier 80 or modifier 82 added, as appropriate.
78 Unplanned return to the operating/procedure room by the same physician or other qualified health care professional following initial procedure for a related procedure during the postoperative period: it may be necessary to indicate that another procedure was performed during the postoperative period of the initial procedure (unplanned procedure following initial procedure). when this procedure is related to the first, and requires the use of an operating/procedure room, it may be reported by adding modifier 78 to the related procedure. (for repeat procedures, see modifier 76.)
80 Assistant surgeon: surgical assistant services may be identified by adding modifier 80 to the usual procedure number(s).
82 Assistant surgeon (when qualified resident surgeon not available): the unavailability of a qualified resident surgeon is a prerequisite for use of modifier 82 appended to the usual procedure code number(s).
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
GC This service has been performed in part by a resident under the direction of a teaching physician
Q6 Service furnished under a fee-for-time compensation arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
Date
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2011-01-01 Changed Short description changed.
Pre-1990 Added Code added.
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