CPT® Code 61490

Official Description

Craniotomy for lobotomy, including cingulotomy

Common Language Description

The procedure described by CPT® Code 61490 refers to a craniotomy for lobotomy, which includes a cingulotomy. This psychosurgical intervention is characterized by its rarity in contemporary medical practice, primarily due to the evolution of psychiatric treatments and ethical considerations surrounding its use. Historically, lobotomy was employed to address various mental health disorders, particularly those that involved severe behavioral disturbances, such as violent episodes, as well as conditions like medically intractable obsessive-compulsive disorder, refractory depression, and chronic pain syndromes. The surgical approach begins with an incision made in the skin over the scalp, typically at the top of the head or the forehead, allowing access to the underlying cranial structures. Following this incision, the frontal bone is exposed, and burr holes are drilled into the skull. The surgical team may choose to perform the procedure through these burr holes or utilize a saw to connect them, thereby creating a bone flap that provides a direct view of the frontal lobe. Once access is achieved, an incision is made through specific nerve tracts within the frontal lobe. The procedure specifically targets the cingulate gyrus, where the nerve fiber bundle is located, and involves severing the nerve fibers that link the frontal lobes to the limbic system, which is crucial for emotional regulation and behavior. This complex procedure requires careful planning and execution, given its implications for the patient's mental and emotional health.

1. Indications

The craniotomy for lobotomy, including cingulotomy, is indicated for specific mental health conditions that have proven resistant to conventional treatment methods. The following conditions are explicitly noted as indications for this procedure:

Severe Behavioral Disturbances - This includes episodes of violence that are not manageable through other therapeutic interventions.
Medically Intractable Obsessive-Compulsive Disorder - Patients who do not respond to standard pharmacological or therapeutic treatments may be considered for this procedure.
Refractory Depression - Individuals suffering from depression that does not improve with traditional treatment options may be candidates for lobotomy.
Chronic Pain Syndromes - In cases where chronic pain is linked to psychological factors and has not responded to other treatments, this procedure may be indicated.

2. Procedure

The craniotomy for lobotomy, including cingulotomy, involves several critical procedural steps that ensure access to the brain and the targeted nerve tracts. The following steps outline the procedure:

Step 1: Incision - The procedure begins with a surgical incision made in the skin over the top of the head or the forehead. This incision is crucial for accessing the underlying cranial structures.
Step 2: Exposure of the Frontal Bone - After the initial incision, the surgeon carefully exposes the frontal bone, which is the area of the skull that will be accessed during the procedure.
Step 3: Drilling Burr Holes - Burr holes are drilled into the skull to facilitate access to the brain. These holes are strategically placed to allow for the next steps of the procedure.
Step 4: Creating a Bone Flap - Depending on the surgical approach, the surgeon may connect the burr holes using a saw to create a bone flap. This flap is lifted to provide a clear view of the frontal lobe.
Step 5: Incision through Nerve Tracts - With the frontal lobe exposed, the surgeon makes an incision through selected nerve tracts within the frontal lobe. This step is critical for the intended therapeutic effects of the procedure.
Step 6: Targeting the Cingulate Gyrus - The procedure specifically targets the cingulate gyrus, where the nerve fiber bundle is located. The surgeon carefully identifies and severs the nerve fibers that connect the frontal lobes with the limbic system, which plays a significant role in emotional regulation.

3. Post-Procedure

Post-procedure care following a craniotomy for lobotomy, including cingulotomy, involves monitoring the patient for any immediate complications related to the surgery. Patients may require a stay in a recovery unit for observation. Expected recovery includes managing pain and monitoring neurological function. Rehabilitation may be necessary to address any cognitive or emotional changes resulting from the procedure. Follow-up appointments are essential to assess the patient's mental health status and overall recovery progress. Additional considerations include the potential for long-term effects on behavior and emotional regulation, which should be discussed with the patient and their family.

Short Descr	INCISE SKULL FOR SURGERY
Medium Descr	CRANIOTOMY LOBOTOMY W/CINGULOTOMY
Long Descr	Craniotomy for lobotomy, including cingulotomy
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)	1 - 150% payment adjustment for bilateral procedures applies.
Physician Supervisions	9 - 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	Inpatient Procedures, not paid under OPPS
Type of Service (TOS)	2 - Surgery
Berenson-Eggers TOS (BETOS)	P1G - Major procedure - Other
MUE	Not applicable/unspecified.
CCS Clinical Classification	1 - Incision and excision of CNS