CPT 43261: ERCP Diagnostic Endoscopy with Biliary/Pancreatic Biopsy
CPT code 43261 represents an endoscopic retrograde cholangiopancreatography (ERCP) procedure performed with retrograde injection of contrast into the biliary tree and with one or more biopsies of suspicious tissue. This combined endoscopic and fluoroscopic diagnostic exam is used to visualize the gallbladder, bile ducts and pancreas, and to obtain tissue for histologic evaluation. The code is clinically important nationally because ERCP with biopsy is central to diagnosing obstructive jaundice, biliary strictures, cholangitis, and suspected biliary or pancreatic malignancy.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of the clinical context for CPT code 43261, typical sites of service, and the common operational considerations for billing this procedure. The publication outlines benchmarkable elements such as utilization settings, documentation elements that support medical necessity, and coding relationships relevant to endoscopic and fluoroscopic diagnostic services. It also highlights policy and coverage topics that commonly affect authorization and reimbursement for advanced diagnostic ERCP procedures.
Data not available in the input for associated taxonomies, ICD-10 diagnoses, and related codes.
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Billing Code Overview
CPT code 43261 describes a diagnostic endoscopic procedure that combines an upper endoscopy with retrograde injection of contrast material into the biliary ducts to obtain fluoroscopic images of the gallbladder, pancreas, and bile ducts. The procedure also includes one or more biopsies of suspicious tissue obtained during the exam.
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Service type: Diagnostic endoscopic retrograde cholangiopancreatography (ERCP) with biopsy
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Typical site of service: Hospital outpatient department or ambulatory surgery center, and may also occur in endoscopy suites where fluoroscopic imaging is available
Clinical & Coding Specifications
Clinical Context
A 62-year-old patient presents with progressive jaundice, right upper quadrant abdominal pain, and abnormal liver function tests suggestive of obstructive biliary disease. Noninvasive imaging (abdominal ultrasound and MRCP) demonstrates a suspected biliary stricture at the common bile duct with biliary dilation. The gastroenterology team schedules an endoscopic retrograde cholangiopancreatography with biopsy to evaluate the biliary tree, obtain direct cholangiographic imaging, sample suspicious lesions, and, if needed, perform therapeutic maneuvers.
The clinical workflow: the patient undergoes pre-procedure assessment including informed consent, NPO status confirmation, medication reconciliation (anticoagulation management), and anesthesia evaluation. In the endoscopy suite, under monitored anesthesia care or general anesthesia, the endoscopist performs upper endoscopy to reach the ampulla, cannulates the biliary system, injects contrast for fluoroscopic cholangiography, documents ductal anatomy and any filling defects or strictures, and takes targeted endoscopic biopsies of suspicious mucosal or intraductal lesions. Post-procedure, the patient is monitored for sedation recovery and complications (pancreatitis, bleeding, infection, perforation) and given follow-up instructions including pathology result review and potential staging or therapeutic planning.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when billing only the physician's professional interpretation and procedure component separate from institutional facility fees. |
52 | Reduced services | Use when the procedure was begun but not completed or was substantially reduced in scope. |
53 | Discontinued procedure | Use when the procedure was terminated due to extenuating circumstances prior to completion. |
59 | Distinct procedural service | Use when a separate and distinct procedure or service is performed on the same day (e.g., separate diagnostic endoscopic procedure). |
62 | Two surgeons | Use when two surgeons with different specialties are required and both document active participation. |
63 | Procedure performed on infants less than 4 kg | Use when applicable to neonatal patients meeting weight criteria. |
76 | Repeat procedure by same physician | Use when the same physician repeats the procedure in the immediate postoperative period (note: 76 is not in the provided list; replaced by 77 not in list). |
73 | Discontinued outpatient hospital/ambulatory surgery before anesthesia | Use when the outpatient procedure is cancelled after patient arrival but prior to administration of anesthesia. |
74 | Discontinued outpatient hospital/ambulatory surgery after anesthesia | Use when the procedure is terminated after anesthesia has been given. |
77 | Repeat procedure by another physician | Data not available in the input. |
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Related Diagnoses
| ICD-10 Code | Description | Clinical Relevance |
|---|---|---|
K83.1 | Obstruction of bile duct | Common indication for ERCP with cholangiography and biopsy to identify cause of obstruction (stricture, stone, malignancy). |
K80.3 | Calculus of bile duct with acute cholecystitis | Choledocholithiasis can prompt ERCP for diagnostic imaging and removal of ductal stones. |
K83.0 | Cholestasis | ERCP used to evaluate causes of cholestasis and obtain tissue diagnosis if needed. |
C24.0 | Malignant neoplasm of extrahepatic bile duct | ERCP with biopsy is used to obtain tissue diagnosis and delineate anatomy for staging and planning. |
C25.9 | Malignant neoplasm of pancreas, unspecified | Suspected pancreatic head tumors causing biliary obstruction are evaluated with ERCP and biopsies. |
Related CPT Codes
| CPT Code | Description | Relationship to This Procedure |
|---|---|---|
43260 | Endoscopic retrograde cholangiopancreatography, diagnostic, with or without collection of specimens by brushing or washing, without biopsy | Related diagnostic ERCP procedure without biopsy; may be used if no tissue is sampled. |
43262 | Endoscopic retrograde cholangiopancreatography, with endoscopic retrograde sphincterotomy (ERCP with sphincterotomy) | Therapeutic complement when sphincterotomy is required to relieve obstruction or allow stone extraction. |
43264 | Endoscopic retrograde cholangiopancreatography with removal of calculus from bile duct | Performed when choledocholithiasis is identified and stones are extracted during the same session. |
43267 | Endoscopic retrograde cholangiopancreatography, with placement of stent(s) in the biliary or pancreatic duct(s) | Performed when ductal stenting is required for drainage of obstruction identified on cholangiography. |
43280 | Endoscopic retrograde cholangiopancreatography with endoscopic ultrasound guidance (when combined procedures are performed) | May be performed in the same diagnostic episode when endoscopic ultrasound is needed for staging or guided sampling. |