Overview of CPT Code 10006: Fine needle aspiration of cyst or mass
CPT Code 10006 refers to the procedure of fine needle aspiration (FNA) used to extract fluid or tissue from a cyst or mass for diagnostic purposes. This minimally invasive technique is commonly employed in various medical fields, including oncology and endocrinology, to evaluate suspicious lesions.
When CPT Code 10006 is Used?
Fine needle aspiration is indicated in several clinical scenarios.
- Evaluation of a palpable lump or mass in the breast, thyroid, or lymph nodes.
- Assessment of cystic lesions to determine if they are benign or malignant.
- Guidance for further treatment decisions based on cytological analysis.
- Monitoring known masses for changes in size or characteristics.
Symptoms Indicating This Procedure
Patients may report various symptoms that lead to the consideration of fine needle aspiration.
- A noticeable lump or swelling in the breast, neck, or other areas.
- Pain or discomfort in the area of the mass.
- Changes in the skin overlying the mass, such as redness or warmth.
- Unexplained weight loss or systemic symptoms in the presence of a mass.
Causes and Risk Factors
Several factors can contribute to the development of cysts or masses that may require aspiration.
- Hormonal changes, particularly in women, leading to breast cysts.
- Family history of certain cancers, increasing the risk of malignant masses.
- Previous radiation exposure to the area of the mass.
- Chronic inflammation or infection that can lead to the formation of cysts.
Diagnostic Tests Before Procedure
Prior to fine needle aspiration, several diagnostic tests may be performed.
- Ultrasound imaging to locate the mass and assess its characteristics.
- Mammography for breast masses to evaluate their nature.
- CT or MRI scans for deeper masses to guide the aspiration.
- Blood tests to check for markers that may indicate malignancy.
Procedure Description
The fine needle aspiration procedure involves several key steps.
- Patient is positioned comfortably, and the area of the mass is cleaned with antiseptic.
- A thin, hollow needle is inserted into the mass under imaging guidance if necessary.
- The needle is moved back and forth to collect cells or fluid.
- The sample is placed on slides for cytological examination.
- The needle is removed, and pressure is applied to the site to minimize bleeding.
Preparation for the Procedure
Patients should follow specific guidelines to prepare for fine needle aspiration.
- Inform the healthcare provider about any medications being taken, especially blood thinners.
- Avoid eating or drinking for a few hours before the procedure if sedation is planned.
- Wear loose-fitting clothing to allow easy access to the area being examined.
- Arrange for transportation if sedation is used during the procedure.
Recovery and Aftercare
Post-procedure care is essential for optimal recovery.
- Rest for the remainder of the day after the procedure.
- Apply ice to the site to reduce swelling and discomfort.
- Monitor the site for signs of infection, such as increased redness or discharge.
- Follow up with the healthcare provider for results and further management.
Possible Complications
While fine needle aspiration is generally safe, some complications may occur.
- Bleeding at the site of aspiration.
- Infection at the needle entry point.
- Inadequate sample leading to the need for repeat aspiration.
- Damage to surrounding tissues or structures.


Secure, compliant, and built for trust
HIPAA-compliant and designed with privacy in mind, your patient’s data is protected. Focus on care while we safeguard your information.
Learn morePost-Procedure Follow-Up
Follow-up care is crucial to ensure proper healing and management.
- Schedule a follow-up appointment within a week to discuss results.
- Monitor for any unusual symptoms or complications.
- Further imaging or procedures may be recommended based on results.
- Regular check-ups may be necessary for ongoing monitoring.
Alternative Treatments
In some cases, alternative management options may be considered.
- Observation and monitoring of benign cysts without immediate intervention.
- Medications to manage symptoms associated with cysts or masses.
- Surgical excision for larger or symptomatic masses.
- Hormonal therapy for cysts related to hormonal imbalances.
Home Care Tips
Patients can take simple steps to aid recovery at home.
- Keep the aspiration site clean and dry.
- Avoid strenuous activities for a few days post-procedure.
- Take over-the-counter pain relievers as needed for discomfort.
- Stay hydrated and maintain a balanced diet to support healing.
Patient Education & Prevention
Educating patients can help in prevention and early detection.
- Regular self-examinations for lumps or changes in the breast or neck.
- Routine screenings as recommended by healthcare providers.
- Awareness of family history and risk factors for cancers.
- Healthy lifestyle choices to reduce the risk of cysts and masses.
Billing and Coding Information
CPT Code: 10006
Category: Surgical Procedures
Common Modifiers:
- 50 - Bilateral procedure
- RT - Right side
- LT - Left side
Average Cost and Insurance Coverage
Costs for fine needle aspiration can vary based on several factors.
- Average cost ranges from $200 to $1,000 depending on the facility.
- Insurance may cover the procedure if deemed medically necessary.
- Out-of-pocket costs may apply based on individual insurance plans.
- Pre-authorization may be required by some insurance providers.
Related CPT Codes
References and Sources