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CPT 32553: Percutaneous Chest Tumor Marker Placement

CPT code 32553 represents percutaneous placement of one or more markers into tumor tissue in the chest to guide radiation therapy. This procedure supports precise tumor localization for planning and delivery of radiotherapy, which can reduce targeting error and help spare surrounding healthy tissue. Nationally, marker placement is an important adjunct to modern image-guided radiation therapy workflows and has implications for care coordination between interventional radiology and radiation oncology. Key payers addressed in this coverage analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for marker placement, typical sites of service, and payer coverage considerations. The publication summarizes common billing modifiers and coding relationships where available, highlights typical documentation elements required to support medical necessity, and notes how this service integrates into radiation therapy planning pathways. Data not available in the input is indicated where applicable.

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Billing Code Overview

CPT code 32553 describes a procedure in which one or more fiducial markers or similar markers are placed percutaneously through the skin and into tumor tissue in the chest region. These markers serve as reference points for planning and delivering radiation therapy, helping to localize tumors during treatment.

Service type: Image-guided percutaneous marker placement for radiation therapy planning and targeting
Typical site of service: Outpatient interventional radiology suite or radiation oncology procedural area

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CPT 32553: Percutaneous Chest Tumor Marker Placement

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Billing Code Overview

Service type: Image-guided percutaneous marker placement for radiation therapy planning and targeting
Typical site of service: Outpatient interventional radiology suite or radiation oncology procedural area

Clinical & Coding Specifications

Clinical Context

A typical patient is an adult with a newly diagnosed or suspected pulmonary malignancy referred for CT-guided percutaneous fiducial marker placement (CPT 32553) to assist with image-guided radiation therapy planning and tumor localization. The patient arrives to an outpatient interventional radiology suite after multidisciplinary tumor board or radiation oncology consultation. Pre-procedure steps include review of prior chest imaging (CT or PET-CT), verification of coagulation status and medication reconciliation (anticoagulant management per institutional policy), informed consent specific to percutaneous chest procedures, and positioning for optimal CT or fluoroscopic access. Under moderate sedation or monitored anesthesia care, the interventional radiologist uses CT guidance to advance one or more percutaneous needles through the chest wall into the lung tumor or adjacent tumor bed and deploys radiopaque fiducial markers. Post-placement CT confirms marker position and screens for pneumothorax; small pneumothorax is observed and managed conservatively, whereas larger pneumothorax may require chest tube placement. The patient is observed for a few hours and discharged with radiation oncology follow-up for simulation and treatment planning using the implanted markers as a localization reference.

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component	Use when billing only the physician professional portion if technical component billed separately.
`50`	Bilateral procedure	Use when fiducial markers are placed in tumors in both lungs during the same session.
`52`	Reduced services	Use when the procedure is partially reduced or not completed as planned.
`53`	Discontinued procedure	Use when the procedure is terminated due to patient condition or complication prior to completion.
`78`	Unplanned return to the operating/procedure room	Use when a return procedure is required for a complication originating from the initial placement.
`80`	Assistant surgeon present	Use when a qualified assistant surgeon participates and payer requires modifier.
`62`	Two surgeons	Use when two surgeons work together as primary surgeons during the procedure.
`73`	Discontinued outpatient hospital/ambulatory surgery center procedure prior to anesthesia	Use when procedure discontinued prior to anesthesia for outpatient settings.
`76`	Repeat procedure by same physician	Use when the same physician performs a repeat placement later the same day or encounter.
`77`	Repeat procedure by another physician	Use when a different physician performs a repeat placement.
`TC`	Technical component	Use when billing only the technical portion (equipment, facility) separate from professional service.
`QX`	ASCs: services by auxiliary personnel under direction of physician (modifier)	Use when services performed by qualified non-physician under physician direction in an applicable setting.
`LT`	Left side	Use to indicate left-sided procedure when laterality reporting is required.
`RT`	Right side	Use to indicate right-sided procedure when laterality reporting is required.

Taxonomy Code	Specialty	Notes
207RX0300X	Interventional Radiology	Primary specialty performing CT- or fluoroscopy-guided fiducial placement.
208000000X	Diagnostic Radiology	Diagnostic radiologists with image-guided procedure privileges commonly perform this service.
2084P0800X	Radiation Oncology	Radiation oncologists may coordinate and request fiducial placement for treatment planning.
362K00000X	Vascular & Interventional Radiology	Vascular interventional specialists trained in percutaneous thoracic interventions may perform placements.
367500000X	Thoracic Surgery	Thoracic surgeons may place fiducials in operative or hybrid settings when indicated.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`C34.90`	Malignant neoplasm of unspecified part of unspecified bronchus or lung	Primary lung tumor frequently targeted for fiducial placement to guide radiation therapy.
`C34.1`	Malignant neoplasm of upper lobe, bronchus or lung	Tumors in specific lobes commonly require fiducials for stereotactic body radiation therapy (SBRT).
`C78.01`	Secondary malignant neoplasm of right lung	Metastatic lesions in the lung may be localized with markers for focused radiotherapy.
`C78.02`	Secondary malignant neoplasm of left lung	Contralateral metastatic lesions where fiducial placement aids in treatment targeting.
`Z85.118`	Personal history of malignant neoplasm of bronchus and lung	History of lung cancer indicating surveillance or re-treatment where fiducials assist in localization.
`R91.8`	Other nonspecific abnormal findings of lung field	Indeterminate pulmonary nodules that subsequently undergo localization for therapy or biopsy.
`J98.4`	Other disorders of lung (e.g., benign lesions needing localization)	Benign but symptomatic lesions or radiographic targets that may be localized for therapy or surgical planning.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`32551`	Excision, open, biopsy or resection of lung lesion, with or without thoracoscopy	May be performed when tissue diagnosis or surgical resection is required rather than percutaneous fiducial placement.
`32405`	Thoracentesis, needle aspiration, pleural cavity, diagnostic (separate procedure)	May be performed if pleural effusion complicates access or requires drainage prior to fiducial placement.
`36830`	Insertion of vascular access device (non-tunneled centrally inserted percutaneous)	May be used in patients requiring vascular access for sedation or chemotherapy coordination during the same visit.
`76942`	Ultrasonic guidance for needle placement (eg, biopsy, aspiration, injection, localization)	Used when ultrasound guidance is employed for initial planning or vascular access during the fiducial placement procedure.
`71045`	Radiologic examination, chest; single view, frontal	May be performed pre- or post-procedure to assist with localization or to screen for immediate complications such as pneumothorax.

CPT 32550: Tunneled Chest Tube Placement via Thoracostomy

CPT-32551-CHEST-TUBE-PLACEMENT-OPEN-CUTDOWN-INCISION

CPT 32551: Chest Tube Placement, Open Cutdown Incision

CPT-32552-PLEURAL-CATHETER-REMOVAL-SUBCUTANEOUS-TUNNELED

CPT 32552: Removal of Subcutaneously Tunneled Pleural Catheter

CPT-32554-PLEURAL-DRAINAGE-NEEDLE-OR-CATHETER

CPT 32554: Pleural Drainage with Needle or Catheter

CPT-32555-IMAGE-GUIDED-PLEURAL-DRAINAGE-THORACENTESIS

CPT 32555: Image-Guided Pleural Drainage (Needle or Catheter)

CPT-32556-CHEST-TUBE-PLACEMENT-PERCUTANEOUS-DRAINAGE-NO-IMAGING

CPT 32556: Percutaneous Chest Tube Placement for Pleural Drainage

CPT-32557-IMAGE-GUIDED-CHEST-TUBE-DRAINAGE

CPT 32557: Image-Guided Percutaneous Chest Tube Drainage

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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Clinical & Coding Specifications

Clinical Context

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component	Use when billing only the physician professional portion if technical component billed separately.
`50`	Bilateral procedure	Use when fiducial markers are placed in tumors in both lungs during the same session.
`52`	Reduced services	Use when the procedure is partially reduced or not completed as planned.
`53`	Discontinued procedure	Use when the procedure is terminated due to patient condition or complication prior to completion.
`78`	Unplanned return to the operating/procedure room	Use when a return procedure is required for a complication originating from the initial placement.
`80`	Assistant surgeon present	Use when a qualified assistant surgeon participates and payer requires modifier.
`62`	Two surgeons	Use when two surgeons work together as primary surgeons during the procedure.
`73`	Discontinued outpatient hospital/ambulatory surgery center procedure prior to anesthesia	Use when procedure discontinued prior to anesthesia for outpatient settings.
`76`	Repeat procedure by same physician	Use when the same physician performs a repeat placement later the same day or encounter.
`77`	Repeat procedure by another physician	Use when a different physician performs a repeat placement.
`TC`	Technical component	Use when billing only the technical portion (equipment, facility) separate from professional service.
`QX`	ASCs: services by auxiliary personnel under direction of physician (modifier)	Use when services performed by qualified non-physician under physician direction in an applicable setting.
`LT`	Left side	Use to indicate left-sided procedure when laterality reporting is required.
`RT`	Right side	Use to indicate right-sided procedure when laterality reporting is required.

Taxonomy Code	Specialty	Notes
207RX0300X	Interventional Radiology	Primary specialty performing CT- or fluoroscopy-guided fiducial placement.
208000000X	Diagnostic Radiology	Diagnostic radiologists with image-guided procedure privileges commonly perform this service.
2084P0800X	Radiation Oncology	Radiation oncologists may coordinate and request fiducial placement for treatment planning.
362K00000X	Vascular & Interventional Radiology	Vascular interventional specialists trained in percutaneous thoracic interventions may perform placements.
367500000X	Thoracic Surgery	Thoracic surgeons may place fiducials in operative or hybrid settings when indicated.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`C34.90`	Malignant neoplasm of unspecified part of unspecified bronchus or lung	Primary lung tumor frequently targeted for fiducial placement to guide radiation therapy.
`C34.1`	Malignant neoplasm of upper lobe, bronchus or lung	Tumors in specific lobes commonly require fiducials for stereotactic body radiation therapy (SBRT).
`C78.01`	Secondary malignant neoplasm of right lung	Metastatic lesions in the lung may be localized with markers for focused radiotherapy.
`C78.02`	Secondary malignant neoplasm of left lung	Contralateral metastatic lesions where fiducial placement aids in treatment targeting.
`Z85.118`	Personal history of malignant neoplasm of bronchus and lung	History of lung cancer indicating surveillance or re-treatment where fiducials assist in localization.
`R91.8`	Other nonspecific abnormal findings of lung field	Indeterminate pulmonary nodules that subsequently undergo localization for therapy or biopsy.
`J98.4`	Other disorders of lung (e.g., benign lesions needing localization)	Benign but symptomatic lesions or radiographic targets that may be localized for therapy or surgical planning.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`32551`	Excision, open, biopsy or resection of lung lesion, with or without thoracoscopy	May be performed when tissue diagnosis or surgical resection is required rather than percutaneous fiducial placement.
`32405`	Thoracentesis, needle aspiration, pleural cavity, diagnostic (separate procedure)	May be performed if pleural effusion complicates access or requires drainage prior to fiducial placement.
`36830`	Insertion of vascular access device (non-tunneled centrally inserted percutaneous)	May be used in patients requiring vascular access for sedation or chemotherapy coordination during the same visit.
`76942`	Ultrasonic guidance for needle placement (eg, biopsy, aspiration, injection, localization)	Used when ultrasound guidance is employed for initial planning or vascular access during the fiducial placement procedure.
`71045`	Radiologic examination, chest; single view, frontal	May be performed pre- or post-procedure to assist with localization or to screen for immediate complications such as pneumothorax.

CPT 32550: Tunneled Chest Tube Placement via Thoracostomy

CPT-32551-CHEST-TUBE-PLACEMENT-OPEN-CUTDOWN-INCISION

CPT 32551: Chest Tube Placement, Open Cutdown Incision

CPT-32552-PLEURAL-CATHETER-REMOVAL-SUBCUTANEOUS-TUNNELED

CPT 32552: Removal of Subcutaneously Tunneled Pleural Catheter

CPT-32554-PLEURAL-DRAINAGE-NEEDLE-OR-CATHETER

CPT 32554: Pleural Drainage with Needle or Catheter

CPT-32555-IMAGE-GUIDED-PLEURAL-DRAINAGE-THORACENTESIS

CPT 32555: Image-Guided Pleural Drainage (Needle or Catheter)

CPT-32556-CHEST-TUBE-PLACEMENT-PERCUTANEOUS-DRAINAGE-NO-IMAGING

CPT 32556: Percutaneous Chest Tube Placement for Pleural Drainage

CPT-32557-IMAGE-GUIDED-CHEST-TUBE-DRAINAGE

CPT 32557: Image-Guided Percutaneous Chest Tube Drainage

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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CPT 32553: Percutaneous Chest Tumor Marker Placement

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Billing Code Overview

OpenPayer

CPT 32553: Percutaneous Chest Tumor Marker Placement

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Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

CPT 32553: Percutaneous Chest Tumor Marker Placement

Sign up for cpt 32553 policy alerts

Billing Code Overview

CPT 32553: Percutaneous Chest Tumor Marker Placement

Sign up for cpt 32553 policy alerts

Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What does CPT 32553 represent and where is this service typically performed?

Which specialties and taxonomy codes are associated with performing fiducial marker placement under CPT 32553?

Which billing modifiers are commonly relevant to CPT 32553 and when are they used?

What related CPT codes might be billed alongside or instead of 32553?

What diagnosis codes and payers are referenced as relevant to supporting medical necessity for CPT 32553?

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What does CPT 32553 represent and where is this service typically performed?

Which specialties and taxonomy codes are associated with performing fiducial marker placement under CPT 32553?

Which billing modifiers are commonly relevant to CPT 32553 and when are they used?

What related CPT codes might be billed alongside or instead of 32553?

What diagnosis codes and payers are referenced as relevant to supporting medical necessity for CPT 32553?

References