Summary & Overview

CPT 38129: Laparoscopic Splenic Procedure, Unlisted

CPT code 38129 designates unlisted laparoscopic procedures on the spleen and is applied when no specific CPT code accurately describes a minimally invasive splenic operation. The code matters nationally because unlisted procedure codes require additional clinical documentation and payer review to determine appropriate adjudication and payment, affecting hospital outpatient and ambulatory surgery workflows. Common settings for services reported with this code include hospital outpatient departments and ambulatory surgery centers where laparoscopic splenic surgery is performed.

Key payers covered in this overview include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an explanation of what the code represents, typical sites of service, and the clinical context for use. The publication also outlines what to expect when using an unlisted CPT code like 38129: the need for supplemental operative reports, potential payer-specific review processes, and how this code fits into surgical service line billing practices.

This summary is intended to help clinicians, coders, and administrators understand the role of CPT code 38129, prepare documentation for payer review, and locate the code within procedural coding workflows. Data not available in the input for payor-specific rates, related codes, and diagnosis mappings is noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicare38129CPTlaparoscopic splenic surgerysurgical billingunlisted procedureambulatory surgeryhospital outpatientoperative documentation

Billing Code Overview

CPT code 38129 is used to report laparoscopic procedures on the spleen that do not have a specific code. This code captures nonspecific or unlisted laparoscopic splenic operations when no more precise CPT code applies.

Service type: Minimally invasive surgical procedure on the spleen (laparoscopic splenic surgery)
Typical site of service: Hospital outpatient department or ambulatory surgery center (facility-based surgical setting)

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A 44-year-old female presents with recurrent left upper quadrant abdominal pain, early satiety, and a palpable splenic enlargement on exam. Imaging with abdominal ultrasound and contrast-enhanced CT demonstrates an enlarged spleen with multiple symptomatic cysts and a focal splenic lesion not amenable to percutaneous therapy. The patient is scheduled for a laparoscopic splenic procedure without a specific CPT code that captures the exact operative work (e.g., atypical laparoscopic partial splenectomy for symptomatic cysts or laparoscopic splenic lesion excision). Preoperative evaluation by the surgical team includes review of hematology studies (platelet count, coagulation profile), vaccination status for encapsulated organisms when splenectomy or substantial splenic tissue removal is anticipated, and anesthesia clearance.

Intraoperative workflow typically involves general endotracheal anesthesia, laparoscopic abdominal access with insufflation, placement of trocars, laparoscopic mobilization of the spleen, identification and control of vascular supply to the targeted splenic portion, resection or cyst excision, hemostasis, specimen retrieval in an endoscopic bag, irrigation and inspection for bleeding, and closure of port sites. Postoperative care includes monitoring for hemorrhage, pain control, thromboprophylaxis assessment, and discharge planning with follow-up for wound checks and vaccine counseling if significant splenic tissue was removed.

Coding Specifications

Modifier	Description	When to Use
`22`

Taxonomy Code	Specialty	Notes
`308600000X`	General Surgery	Most common specialty performing laparoscopic splenic procedures.
`309K00000X`	Surgical Oncology	Performs complex splenic resections for neoplastic disease.
`207L00000X`	Colon & Rectal Surgery	May be involved when combined abdominal procedures or adhesiolysis are needed.
`208600000X`	Pediatric Surgery	Performs splenic procedures in children when indicated.
`207K00000X`	Trauma Surgery	Performs emergent splenic procedures for traumatic splenic injuries.

ICD-10 Code	Description	Clinical Relevance
`D73.3`	Splenic cyst	Symptomatic cysts may require partial splenectomy or cyst excision via laparoscopy.
`D73.5`	Other diseases of spleen	Includes varied splenic pathologies that may prompt an unlisted laparoscopic splenic procedure.
`D73.9`	Disease of spleen, unspecified	Used when a specific splenic diagnosis is not otherwise classified but operative management is required.
`I85.01`	Esophageal varices with bleeding	Portal hypertension with splenic complications may lead to splenic interventions in select cases.
`D73.8`	Other specified disorders of spleen	Includes focal lesions or non-neoplastic conditions requiring atypical laparoscopic splenic procedures.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`49920`	Laparoscopy, surgical; splenectomy	Complete laparoscopic removal of spleen; alternative when a full splenectomy is performed rather than an unlisted spleen procedure.
`38100`	Splenectomy, total, abdominal, for hypersplenism or other indication; with or without autotransplantation	Open total splenectomy; related when conversion from laparoscopic to open is required.
`47562`	Laparoscopy, surgical, cholecystectomy	Common concurrent procedure when cholelithiasis is present or ports are used for combined abdominal operations.
`49000`	Unlisted laparoscopy procedure, abdomen, peritoneum and omentum	Used for atypical laparoscopic abdominal procedures not specifically listed; sometimes considered when payer requires an alternative code.
`44705`	Partial splenectomy (Note: this is not an official CPT; partial splenectomy procedures lack a specific CPT and are often reported with unlisted or `38129`)	Clinical equivalent procedure performed when organ-sparing resection is planned; reported using `38129` when no specific code exists.
`36556`	Placement of non-tunneled centrally inserted central venous catheter	Performed perioperatively in select patients requiring central access for transfusion or monitoring.

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