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Official Description

Fetal fluid drainage (eg, vesicocentesis, thoracocentesis, paracentesis), including ultrasound guidance

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 59074 involves the drainage of fetal fluid, which can include techniques such as vesicocentesis, thoracocentesis, or paracentesis. These procedures are performed under ultrasound guidance to ensure precision and safety. Fetal fluid drainage is typically indicated for the aspiration of fluid from various anatomical sites within the fetus, including the bladder, thorax, or abdominal cavity. This intervention is crucial for evaluating or treating congenital abnormalities that may affect the fetus. During the procedure, a physician utilizes continuous ultrasound imaging to accurately guide a needle into the targeted area, allowing for the aspiration of excess fluid. Following the aspiration, the needle is carefully removed, and the patient is closely monitored. A repeat ultrasound is conducted to assess the site of the puncture and the effectiveness of the fluid aspiration. The physician then discusses the results with the patient and prepares a comprehensive written report detailing the findings and any further recommendations.

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1. Indications

The procedure of fetal fluid drainage, as described by CPT® Code 59074, is indicated for various clinical scenarios where the aspiration of fluid is necessary to evaluate or manage fetal conditions. The following are the specific indications for performing this procedure:

  • Congenital Abnormalities The procedure is performed to assess and treat congenital abnormalities that may lead to abnormal fluid accumulation in the fetus.
  • Hydronephrosis Vesicocentesis may be indicated in cases of hydronephrosis, where there is an abnormal swelling of the fetal bladder due to urine buildup.
  • Pleural Effusion Thoracocentesis is indicated for the management of pleural effusion, which is the accumulation of fluid in the fetal thoracic cavity.
  • Ascites Paracentesis may be performed to address ascites, which is the accumulation of fluid in the fetal abdominal cavity.

2. Procedure

The procedure of fetal fluid drainage involves several critical steps to ensure safety and effectiveness. The following outlines the procedural steps as described:

  • Step 1: Preparation The physician prepares the patient for the procedure by explaining the process and obtaining informed consent. Continuous ultrasound monitoring is set up to guide the procedure accurately.
  • Step 2: Ultrasound Guidance Using ultrasound, the physician identifies the appropriate site for fluid aspiration, such as the fetal bladder, thorax, or abdominal cavity. This imaging ensures that the needle is directed accurately to avoid injury to the fetus.
  • Step 3: Needle Insertion A sterile needle is carefully inserted through the maternal abdomen into the targeted fetal site. The physician continuously monitors the ultrasound to ensure proper placement of the needle.
  • Step 4: Fluid Aspiration Once the needle is correctly positioned, the physician aspirates the excess fluid from the fetal site. This step is crucial for alleviating pressure and evaluating the condition of the fetus.
  • Step 5: Needle Removal After the fluid has been aspirated, the needle is gently removed from the maternal abdomen, and the site is monitored for any immediate complications.
  • Step 6: Post-Procedure Monitoring The patient is monitored closely following the procedure. A repeat ultrasound is performed to evaluate the site of the fetal puncture and to assess the effectiveness of the aspiration.
  • Step 7: Documentation Finally, the physician discusses the findings with the patient and prepares a written report detailing the procedure, the amount of fluid aspirated, and any relevant observations made during the ultrasound.

3. Post-Procedure

After the fetal fluid drainage procedure, the patient is typically monitored for any signs of complications, such as bleeding or infection at the puncture site. A follow-up ultrasound is performed to evaluate the site of the fetal puncture and to ensure that the aspiration was successful in alleviating any fluid accumulation. The physician will discuss the results of the procedure with the patient, including any findings that may require further intervention or monitoring. It is essential for the patient to be aware of any symptoms that may arise post-procedure and to follow up with their healthcare provider as needed.

Short Descr FETAL FLUID DRAINAGE W/US
Medium Descr FETAL FLUID DRAINAGE W/ULTRASOUND GUIDANCE
Long Descr Fetal fluid drainage (eg, vesicocentesis, thoracocentesis, paracentesis), including ultrasound guidance
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) 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 Procedure or Service, Multiple Reduction Applies
ASC Payment Indicator Non office-based surgical procedure added in CY 2008 or later; payment based on OPPS relative payment weight.
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P1G - Major procedure - Other
MUE 2
CCS Clinical Classification 141 - Other therapeutic obstetrical procedures
GC This service has been performed in part by a resident under the direction of a teaching physician
Date
Action
Notes
2004-01-01 Added First appearance in code book in 2004.
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