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Official Description

Corpora cavernosa-corpus spongiosum shunt (priapism operation), unilateral or bilateral

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 54430 refers to a surgical procedure known as a corpora cavernosa-corpus spongiosum shunt, commonly performed to address the condition of priapism, which is a prolonged and often painful erection not associated with sexual desire. This procedure can be executed unilaterally or bilaterally, depending on the clinical situation. The primary goal of the shunt operation is to relieve the pressure within the corpora cavernosa, the erectile tissues of the penis, by creating a connection to the corpus spongiosum, which is the tissue surrounding the urethra. This connection allows for the drainage of excess blood, thereby alleviating the symptoms of priapism. During the procedure, a Foley catheter is typically placed transurethrally to assist in managing the urinary tract and to facilitate the surgical process. The operation involves making incisions in specific anatomical locations, including the perineum and the base of the penis, to access the necessary tissues. The surgeon identifies the junction between the corpora cavernosa and corpus spongiosum, making incisions through the tunica albuginea, which is the fibrous envelope surrounding the erectile tissues. The procedure also includes evacuating blood from the corpora cavernosa and suturing the tissues together to create a functional shunt. The success of the procedure is monitored by measuring intracavernosal pressure, and if the pressure remains elevated, a similar procedure may be performed on the opposite side to ensure effective treatment. This detailed approach is critical for restoring normal erectile function and alleviating the complications associated with priapism.

© Copyright 2026 Coding Ahead. All rights reserved.

1. Indications

The procedure described by CPT® Code 54430 is indicated for the treatment of priapism, which is characterized by a prolonged and often painful erection that is not related to sexual arousal. This condition can lead to significant complications if not addressed promptly, including tissue damage and erectile dysfunction. The shunt procedure aims to relieve the pressure within the corpora cavernosa by creating a connection to the corpus spongiosum, thereby facilitating the drainage of excess blood and alleviating the symptoms associated with priapism.

  • Priapism A prolonged and painful erection not associated with sexual desire, requiring surgical intervention to prevent complications.

2. Procedure

The procedure for CPT® Code 54430 involves several critical steps to effectively create a shunt between the corpora cavernosa and corpus spongiosum. The first step is to make a vertical skin incision in the perineum, located posterior to the scrotum. This incision is carefully carried down to the bulbocavernosus muscle, which is then reflected off the urethra to provide access to the underlying structures. Once the incision is made, the surgeon identifies the junction between the corpora cavernosa and corpus spongiosum. Next, longitudinal or elliptical incisions are made through the tunica albuginea, which is the fibrous layer surrounding the corpora cavernosa, into one of the corpora cavernosa bodies and the tissue of the corpus spongiosum. This step is crucial as it allows for the evacuation of blood from the corpora cavernosa. The surgeon then milks the penis to facilitate the removal of accumulated blood. Following the evacuation, the posterior walls of the corpora cavernosa and corpus spongiosum are sutured together, which is essential for establishing the shunt. After securing the posterior walls, the anterior walls are also sutured together to ensure proper closure and function of the newly created shunt. To assess the effectiveness of the procedure, intracavernosal pressure is measured for a duration of 10 minutes. If the pressure remains below 40 mm Hg, the skin incision is closed. However, if the pressure exceeds 40 mm Hg, indicating that the shunt has not adequately relieved the pressure, an identical procedure may be performed on the opposite side to further address the condition.

  • Step 1: Make a vertical skin incision in the perineum, posterior to the scrotum, and reflect the bulbocavernosus muscle off the urethra.
  • Step 2: Identify the junction of the corpora cavernosa and corpus spongiosum, making longitudinal or elliptical incisions through the tunica albuginea into the corpora cavernosa and corpus spongiosum.
  • Step 3: Evacuate blood from the corpora cavernosa by milking the penis.
  • Step 4: Suture the posterior walls of the corpora cavernosa and corpus spongiosum together, followed by the anterior walls.
  • Step 5: Measure intracavernosal pressure for 10 minutes; if pressure is less than 40 mm Hg, close the skin; if greater, perform the procedure on the opposite side.

3. Post-Procedure

After the completion of the shunt procedure, patients are typically monitored for any immediate complications and to assess the effectiveness of the intervention. The expected recovery involves careful observation of the surgical site for signs of infection or excessive bleeding. Patients may be advised to avoid strenuous activities and sexual intercourse for a specified period to allow for proper healing. Follow-up appointments are essential to evaluate the success of the procedure and to monitor for any recurrence of priapism or other complications. The healthcare provider will provide specific post-operative care instructions tailored to the individual patient's needs.

Short Descr REVISION OF PENIS
Medium Descr CORPORA CAVERNOSA-CORPUS SPONGIOSUM SHUNT UNI/BI
Long Descr Corpora cavernosa-corpus spongiosum shunt (priapism operation), unilateral or bilateral
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) 2 - 150% payment adjustment 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 Inpatient Procedures, not paid under OPPS
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P1G - Major procedure - Other
MUE 1
CCS Clinical Classification 118 - Other OR therapeutic procedures, male genital
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).
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.
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.)
GC This service has been performed in part by a resident under the direction of a teaching physician
RT Right side (used to identify procedures performed on the right side of the body)
Date
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Notes
2013-01-01 Changed Medium Descriptor changed.
Pre-1990 Added Code added.
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