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Official Description

Parathyroidectomy or exploration of parathyroid(s); re-exploration

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 60502 refers to the procedure known as parathyroidectomy or exploration of the parathyroid glands, specifically indicating a re-exploration. This surgical intervention is typically performed when there is a need to investigate or remove one or more of the parathyroid glands, which are small endocrine glands located behind the thyroid gland. There are four parathyroid glands, with two situated in each lobe of the thyroid, positioned at the upper and lower lateral aspects. These glands play a crucial role in regulating calcium levels in the bloodstream by secreting parathyroid hormone (PTH). When blood calcium levels decrease, the parathyroid glands release PTH to elevate those levels, and conversely, they cease secretion when calcium levels normalize. The procedure is often indicated in cases of parathyroid adenomas, which are benign tumors that lead to hyperparathyroidism due to excessive production of PTH. During the surgery, a transverse incision is made in the neck, allowing access to the thyroid and parathyroid glands. The surgeon elevates the thyroid to expose the enlarged parathyroid gland, which is then dissected from surrounding tissues and excised. If additional parathyroid glands are found to be enlarged, they may also be removed. In instances where all four glands are excised, a parathyroid autotransplantation may be performed, where small pieces of normal parathyroid tissue are implanted into a muscle, often the sternocleidomastoid or forearm muscle, to preserve parathyroid function. This procedure is critical for managing conditions related to abnormal calcium metabolism and ensuring the patient's long-term health.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure described by CPT® Code 60502 is indicated for the following conditions:

  • Parathyroid Adenoma - A benign tumor of the parathyroid gland that leads to hyperparathyroidism, characterized by excessive secretion of parathyroid hormone.
  • Hyperparathyroidism - A condition resulting from overproduction of parathyroid hormone, often due to parathyroid adenomas, leading to elevated calcium levels in the blood.
  • Enlargement of Parathyroid Glands - The procedure is performed when one or more parathyroid glands are enlarged, which may necessitate exploration and possible excision.

2. Procedure

The procedure for CPT® Code 60502 involves several critical steps:

  • Step 1: Incision - A transverse skin incision is made in the neck, typically over the thyroid gland, following one of the natural skin creases to minimize scarring. This incision is carefully extended through the subcutaneous tissue and the platysma muscle to gain access to the underlying structures.
  • Step 2: Exposure of the Thyroid - The surgeon elevates the thyroid gland to provide a clear view of the parathyroid glands located behind it. This elevation is essential for identifying the enlarged parathyroid gland(s) that require intervention.
  • Step 3: Dissection and Removal - The enlarged parathyroid gland is meticulously dissected from the surrounding tissues. Once adequately exposed, the gland is excised. The surgeon may also examine the remaining parathyroid glands to assess their size and function, removing any additional glands that are found to be enlarged.
  • Step 4: Parathyroid Autotransplantation (if necessary) - If all four parathyroid glands are removed, the surgeon performs a parathyroid autotransplantation. This involves slicing one or two pieces of normal parathyroid tissue into small segments (approximately 1x3 mm). The normal tissue is then separated from the slices, and a pocket is created in either the sternocleidomastoid muscle or a muscle in the forearm. Three to four pieces of the normal parathyroid tissue are implanted into this pocket to help maintain parathyroid function post-surgery.

3. Post-Procedure

After the completion of the parathyroidectomy or exploration, patients may require monitoring for potential complications, such as hypoparathyroidism or bleeding. Recovery typically involves a period of observation in a healthcare setting to ensure that calcium levels stabilize and that there are no immediate postoperative issues. Patients may be advised to follow up with their healthcare provider for blood tests to monitor calcium levels and parathyroid hormone levels, ensuring that the remaining parathyroid tissue is functioning adequately. Pain management and wound care instructions will also be provided to facilitate healing.

Short Descr RE-EXPLORE PARATHYROIDS
Medium Descr PARATHYROIDECTOMY/EXPLOR PARATHYROIDS RE-EXPLOR
Long Descr Parathyroidectomy or exploration of parathyroid(s); re-exploration
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) P1G - Major procedure - Other
MUE 1
CCS Clinical Classification 12 - Other therapeutic endocrine procedures

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

60512 Addon Code MPFS Status: Active Code APC N ASC N1 CPT Assistant Article Illustration for Code Parathyroid autotransplantation (List separately in addition to code for primary procedure)
GC This service has been performed in part by a resident under the direction of a teaching physician
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
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.
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.)
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).
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).
CC Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed)
CR Catastrophe/disaster related
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)
XP Separate practitioner, a service that is distinct because it was performed by a different practitioner
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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