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Official Description

Image-guided fluid collection drainage by catheter (eg, abscess, hematoma, seroma, lymphocele, cyst); visceral (eg, kidney, liver, spleen, lung/mediastinum), percutaneous

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 49405 refers to the procedure of image-guided fluid collection drainage by catheter, specifically targeting visceral fluid collections such as abscesses, hematomas, seromas, lymphoceles, or cysts. This procedure is performed percutaneously, meaning that it is done through the skin, and is guided by imaging techniques such as fluoroscopy, ultrasound, or computed tomography (CT). The physician identifies the fluid collection within various organs, including the kidney, liver, spleen, or lung, and accesses the fluid-filled cavity through a catheter and sheath. This method allows for precise localization and drainage of the fluid, which may be necessary for conditions affecting the digestive, respiratory, urogenital, or endocrine systems, as well as the spleen, heart, or major blood vessels. The procedure involves the introduction of a catheter into the cavity containing the fluid, enabling the physician to drain the fluid effectively. In some cases, the cavity may be flushed with sterile saline or an antibiotic solution to ensure thorough cleaning of the site. Depending on the clinical situation, the catheter may either be removed after the procedure or left in place for ongoing drainage. The process begins with needle access and imaging confirmation, followed by the advancement of a wire and dilator to facilitate the placement of the drainage catheter into the fluid collection.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure described by CPT® Code 49405 is indicated for the drainage of various types of fluid collections that may arise in visceral organs. These indications include:

  • Abscess - A localized collection of pus that can occur in any organ, often requiring drainage to alleviate infection and promote healing.
  • Hematoma - A collection of blood outside of blood vessels, typically resulting from trauma, which may need to be drained to relieve pressure or prevent complications.
  • Seroma - A pocket of clear serous fluid that can develop after surgery or injury, necessitating drainage to reduce swelling and discomfort.
  • Lymphocele - A collection of lymphatic fluid that can occur post-surgery, particularly after lymph node removal, requiring drainage to prevent complications.
  • Cyst - A fluid-filled sac that can form in various organs, which may require drainage if symptomatic or infected.

2. Procedure

The procedure for CPT® Code 49405 involves several critical steps to ensure effective drainage of the fluid collection. These steps include:

  • Step 1: Access and Localization - The physician begins by gaining access to the fluid collection using a needle. This initial access is crucial for confirming the location of the fluid collection through imaging techniques such as fluoroscopy, ultrasound, or CT scans.
  • Step 2: Wire Advancement - Once the fluid collection is localized, a wire is advanced into the cavity. This wire serves as a guide for the subsequent placement of the drainage catheter.
  • Step 3: Fascial Dilatation - A dilator is then used to perform fascial dilatation, which enlarges the pathway to accommodate the drainage catheter. This step is essential for ensuring that the catheter can be inserted without obstruction.
  • Step 4: Catheter Placement - The catheter is advanced over the wire into the fluid-filled cavity. Once the catheter is in place, the wire is removed, and the catheter is locked to secure its position.
  • Step 5: Fluid Drainage - The physician then proceeds to drain the fluid collection. In some cases, the cavity may be flushed with sterile saline or an antibiotic solution to clear any remaining pus, blood, or other fluids from the site.
  • Step 6: Catheter Management - After the fluid has been adequately drained, the catheter may either be removed or left in place for continuous drainage, depending on the clinical situation and physician's judgment.

3. Post-Procedure

Post-procedure care for CPT® Code 49405 involves monitoring the patient for any complications that may arise from the drainage procedure. If the catheter is left in place, it is typically connected to a drainage bag or wall suction to facilitate ongoing fluid removal. The site of catheter insertion should be regularly assessed for signs of infection, bleeding, or other adverse effects. Patients may be advised on activity restrictions and signs to watch for that would necessitate immediate medical attention. Follow-up imaging may be required to ensure that the fluid collection has been adequately addressed and to monitor for any recurrence.

Short Descr IMAGE CATH FLUID COLXN VISC
Medium Descr IMAGE-GUIDE FLUID COLLXN DRAINAGE CATH VISC PERQ
Long Descr Image-guided fluid collection drainage by catheter (eg, abscess, hematoma, seroma, lymphocele, cyst); visceral (eg, kidney, liver, spleen, lung/mediastinum), percutaneous
Status Code Active Code
Global Days 000 - Endoscopic or Minor Procedure
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) 1 - Statutory payment restriction for assistants at surgery applies 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 Hospital Part B services paid through a comprehensive APC
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P1G - Major procedure - Other
MUE 2
X5 Diagnostic services requested by another clinician: for reporting services by a clinician who furnishes care to the patient only as requested by another clinician or subsequent and related services requested by another clinician; this modifier is reported for patient relationships that may not be adequately captured by the above alternative categories; reporting clinician service examples include but are not limited to, the radiologist's interpretation of an imaging study requested by another clinician
GC This service has been performed in part by a resident under the direction of a teaching physician
X4 Episodic/focused services: for reporting services by clinicians who provide focused care on particular types of treatment limited to a defined period and circumstance; the patient has a problem, acute or chronic, that will be treated with surgery, radiation, or some other type of generally time-limited intervention; reporting clinician service examples include but are not limited to, the orthopedic surgeon performing a knee replacement and seeing the patient through the postoperative period
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).
53 Discontinued procedure: under certain circumstances, the physician or other qualified health care professional may elect to terminate a surgical or diagnostic procedure. due to extenuating circumstances or those that threaten the well being of the patient, it may be necessary to indicate that a surgical or diagnostic procedure was started but discontinued. this circumstance may be reported by adding modifier 53 to the code reported by the individual for the discontinued procedure. note: this modifier is not used to report the elective cancellation of a procedure prior to the patient's anesthesia induction and/or surgical preparation in the operating suite. for outpatient hospital/ambulatory surgery center (asc) 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.
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.
76 Repeat procedure or service by same physician or other qualified health care professional: it may be necessary to indicate that a procedure or service was repeated by the same physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 76 to the repeated procedure or service. note: this modifier should not be appended to an e/m service.
77 Repeat procedure by another physician or other qualified health care professional: it may be necessary to indicate that a basic procedure or service was repeated by another physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 77 to the repeated procedure or service. note: this modifier should not be appended to an e/m service.
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.)
AG Primary physician
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
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
GW Service not related to the hospice patient's terminal condition
LT Left side (used to identify procedures performed on the left side of the body)
MC Ordering professional is not required to consult a clinical decision support mechanism due to the significant hardship exception of electronic health record or clinical decision support mechanism vendor issues
MG The order for this service does not have applicable appropriate use criteria in the qualified clinical decision support mechanism consulted by the ordering professional
MH Unknown if ordering professional consulted a clinical decision support mechanism for this service, related information was not provided to the furnishing professional or provider
Q1 Routine clinical service provided in a clinical research study that is in an approved clinical research study
Q6 Service furnished under a fee-for-time compensation arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area
RT Right side (used to identify procedures performed on the right side of the body)
XE Separate encounter, a service that is distinct because it occurred during a separate encounter
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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2017-01-01 Changed Moderate (Conscious) Sedation flag removed. See new Moderate Sedation category.
2014-01-01 Added Added
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