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Official Description

Biopsy, vertebral body, open; lumbar or cervical

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 20251 refers to an open biopsy of the vertebral body specifically targeting the lumbar or cervical regions of the spine. This procedure is performed under general anesthesia, ensuring that the patient is completely unconscious and free from pain during the operation. The patient is positioned in a prone position, which means they lie flat on their stomach, allowing the surgeon access to the back. An incision is made above the specific vertebra that requires biopsy, enabling the surgeon to reach the underlying tissues. The surrounding muscles are carefully dissected to expose the vertebra for testing and diagnosis. During the procedure, a sample of tissue is excised from the vertebral body, which is crucial for pathological examination to determine any underlying conditions or diseases. After the tissue sample is obtained, the muscles are repositioned to their original state, and the incision is meticulously closed in layers to promote proper healing. It is important to note that for biopsies of the thoracic vertebrae, the appropriate code to use is 20250, while 20251 is specifically designated for lumbar or cervical vertebral biopsies.

© Copyright 2026 Coding Ahead. All rights reserved.

1. Indications

The procedure associated with CPT® Code 20251 is indicated for various clinical scenarios where a biopsy of the lumbar or cervical vertebral body is necessary. These indications may include:

  • Suspected Tumors The procedure is often performed when there is a suspicion of malignancy or other tumors within the vertebral body that require histological examination.
  • Infectious Processes It may be indicated in cases of suspected infections, such as osteomyelitis, where tissue sampling is needed to identify the causative organism.
  • Unexplained Back Pain In instances of chronic or unexplained back pain, a biopsy may be warranted to rule out underlying pathological conditions affecting the vertebrae.
  • Degenerative Diseases The procedure can also be indicated for evaluating degenerative diseases that may affect the vertebral body and surrounding structures.

2. Procedure

The procedure for CPT® Code 20251 involves several critical steps to ensure a successful biopsy of the lumbar or cervical vertebral body. These steps include:

  • Step 1: Anesthesia Administration The patient is first administered general anesthesia to ensure they are completely unconscious and free from pain during the procedure. This is crucial for patient comfort and cooperation.
  • Step 2: Patient Positioning Once the anesthesia takes effect, the patient is positioned in a prone position, lying flat on their stomach. This positioning provides optimal access to the back and the targeted vertebra.
  • Step 3: Incision Creation The surgeon makes an incision above the vertebra that is to be biopsied. The incision is carefully planned to minimize tissue damage and facilitate access to the vertebral body.
  • Step 4: Muscle Dissection The muscles surrounding the vertebra are meticulously dissected to expose the vertebral body. This step requires precision to avoid damaging surrounding structures.
  • Step 5: Tissue Excision Once the vertebra is exposed, a sample of tissue is excised from the vertebral body. This tissue sample is critical for subsequent pathological analysis to diagnose any underlying conditions.
  • Step 6: Muscle Repositioning After the tissue sample is obtained, the dissected muscles are repositioned to their original anatomical location to promote healing and restore normal function.
  • Step 7: Incision Closure Finally, the incision is closed in layers, ensuring that each layer of tissue is properly aligned and secured to facilitate optimal healing.

3. Post-Procedure

Post-procedure care following a biopsy of the lumbar or cervical vertebral body is essential for recovery. Patients are typically monitored in a recovery area until the effects of anesthesia wear off. Pain management may be provided as needed, and patients are advised on activity restrictions to allow for proper healing. Follow-up appointments are often scheduled to review biopsy results and discuss any further treatment options based on the findings. It is important for patients to report any unusual symptoms, such as excessive pain, swelling, or signs of infection, to their healthcare provider promptly.

Short Descr BIOPSY VRT BDY OPEN LMBR/CRV
Medium Descr BIOPSY VERTEBRAL BODY OPEN LUMBAR/CERVICAL
Long Descr Biopsy, vertebral body, open; lumbar or cervical
Status Code Active Code
Global Days 010 - Minor Procedure
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) 0 - Co-surgeons not permitted for this procedure.
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
ASC Payment Indicator Surgical procedure on ASC list in CY 2007; payment based on OPPS relative payment weight.
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P5B - Ambulatory procedures - musculoskeletal
MUE 2
CCS Clinical Classification 159 - Other diagnostic procedures on musculoskeletal system

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

20700 Add-on Code MPFS Status: Active Code APC N ASC N1 Manual preparation and insertion of drug-delivery device(s), deep (eg, subfascial) (List separately in addition to code for primary procedure)
22 Increased procedural services: when the work required to provide a service is substantially greater than typically required, it may be identified by adding modifier 22 to the usual procedure code. documentation must support the substantial additional work and the reason for the additional work (ie, increased intensity, time, technical difficulty of procedure, severity of patient's condition, physical and mental effort required). note: this modifier should not be appended to an e/m service.
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.
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.)
79 Unrelated procedure or service by the same physician or other qualified health care professional during the postoperative period: the individual may need to indicate that the performance of a procedure or service during the postoperative period was unrelated to the original procedure. this circumstance may be reported by using modifier 79. (for repeat procedures on the same day, see modifier 76.)
80 Assistant surgeon: surgical assistant services may be identified by adding modifier 80 to the usual procedure number(s).
81 Minimum assistant surgeon: minimum surgical assistant services are identified by adding modifier 81 to the usual procedure number.
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).
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
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
X4 Episodic/focused services: for reporting services by clinicians who provide focused care on particular types of treatment limited to a defined period and circumstance; the patient has a problem, acute or chronic, that will be treated with surgery, radiation, or some other type of generally time-limited intervention; reporting clinician service examples include but are not limited to, the orthopedic surgeon performing a knee replacement and seeing the patient through the postoperative period
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
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2024-01-01 Changed Short Description changed.
Pre-1990 Added Code added.
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