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Official Description

Excision of rib, partial

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 21600 refers to the excision of a rib, specifically a partial excision. This surgical procedure involves the removal of a portion of a rib, which may be necessary for various medical reasons, such as to alleviate pain, remove a tumor, or address other thoracic conditions. During the procedure, the patient is placed under general anesthesia to ensure comfort and immobility. The surgeon makes an incision in the skin to access the rib, carefully isolating it to avoid damage to surrounding tissues. A specialized saw is then utilized to precisely cut and remove the designated portion of the rib. After the excision, the surgical site is thoroughly irrigated to prevent infection and promote healing, and the incision is subsequently closed with sutures. This procedure is typically performed in a hospital or surgical center setting, and it requires careful planning and execution to ensure patient safety and optimal outcomes.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The excision of a rib, as described by CPT® Code 21600, may be indicated for several specific medical conditions or symptoms. These indications include:

  • Rib Fractures - In cases where a rib fracture is causing significant pain or complications, partial excision may be necessary to alleviate discomfort and promote healing.
  • Neoplasms - The presence of tumors or abnormal growths on or near the rib may require excision to remove cancerous or benign masses that could affect the patient's health.
  • Infection - Infections localized to the rib area that do not respond to conservative treatment may necessitate surgical intervention to remove infected tissue.
  • Thoracic Deformities - Conditions such as pectus excavatum or other structural abnormalities may require rib excision to correct deformities and improve respiratory function.

2. Procedure

The procedure for the partial excision of a rib involves several critical steps, which are outlined as follows:

  • Step 1: Anesthesia Administration - The patient is placed under general anesthesia to ensure they are completely unconscious and free from pain during the procedure. This is a crucial step to facilitate a safe surgical environment.
  • Step 2: Incision Creation - The surgeon makes a precise incision in the skin over the area of the rib that is to be excised. This incision is carefully planned to minimize damage to surrounding tissues and to provide adequate access to the rib.
  • Step 3: Rib Isolation - Once the incision is made, the surgeon meticulously isolates the rib from surrounding muscles and tissues. This step is essential to ensure that the rib can be safely removed without affecting adjacent structures.
  • Step 4: Rib Excision - A specialized saw is used to remove the designated portion of the rib. The surgeon ensures that the excision is performed accurately to achieve the desired outcome while preserving as much surrounding tissue as possible.
  • Step 5: Irrigation - After the rib has been excised, the surgical area is thoroughly irrigated. This step helps to cleanse the site of any debris or blood, reducing the risk of infection and promoting a clean healing environment.
  • Step 6: Closure - Finally, the incision is closed using sutures. The surgeon ensures that the closure is secure to facilitate proper healing and minimize scarring.

3. Post-Procedure

After the partial excision of a rib, patients typically require monitoring in a recovery area until the effects of anesthesia wear off. Post-procedure care may include pain management strategies, such as prescribed medications, to help alleviate discomfort. Patients are often advised to limit physical activity for a specified period to allow for proper healing. Follow-up appointments may be scheduled to assess recovery and address any complications that may arise. It is essential for patients to adhere to their healthcare provider's instructions regarding activity restrictions and wound care to ensure optimal recovery.

Short Descr PARTIAL REMOVAL OF RIB
Medium Descr EXCISION RIB PARTIAL
Long Descr Excision of rib, partial
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
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 5
CCS Clinical Classification 142 - Partial excision bone
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).
GC This service has been performed in part by a resident under the direction of a teaching physician
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.
50 Bilateral procedure: unless otherwise identified in the listings, bilateral procedures that are performed at the same session, should be identified by adding modifier 50 to the appropriate 5 digit code. note: this modifier should not be appended to designated "add-on" codes (see appendix d).
52 Reduced services: under certain circumstances a service or procedure is partially reduced or eliminated at the discretion of the physician or other qualified health care professional. under these circumstances the service provided can be identified by its usual procedure number and the addition of modifier 52, signifying that the service is reduced. this provides a means of reporting reduced services without disturbing the identification of the basic service. note: for hospital outpatient reporting of a previously scheduled procedure/service that is partially reduced or cancelled as a result of extenuating circumstances or those that threaten the well-being of the patient prior to or after administration of anesthesia, see modifiers 73 and 74 (see modifiers approved for asc hospital outpatient use).
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.
76 Repeat procedure or service by same physician or other qualified health care professional: it may be necessary to indicate that a procedure or service was repeated by the same physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 76 to the repeated procedure or service. note: this modifier should not be appended to an e/m service.
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
ET Emergency services
LT Left side (used to identify procedures performed on the left side of the body)
RT Right side (used to identify procedures performed on the right side of the body)
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
Date
Action
Notes
2011-01-01 Changed Guideline information changed.
Pre-1990 Added Code added.
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