Central Venous Catheter: Subclavian Approach

CPT 36556
Approach Landmark Based
Add-on / Variant CPTs
  • 76937 — Ultrasound guidance for vascular access (if used)
Preoperative Diagnosis:

Need for central venous access / [indication: vasopressor administration / hemodynamic monitoring / inadequate peripheral access / TPN / long-term IV access]

Postoperative Diagnosis:

Same

Procedure Performed:

Right subclavian central venous catheter placement

Attending Surgeon:

[Attending name], MD/DO

First Assistant:

[Nurse/tech name]

Anesthesia:

Local: [X] mL 1% lidocaine without epinephrine

Indications:

The patient is a [age]-year-old [male/female] with a history of [indication] requiring central venous access for [vasopressor administration / hemodynamic monitoring / TPN / inadequate peripheral access]. The risks, benefits, and alternatives of the procedure were discussed with the patient [or patient's surrogate], and informed consent was obtained.

Findings:

The right subclavian vein was accessed at the junction of the medial and middle thirds of the clavicle. Venous blood return was confirmed on aspiration. The catheter tip position was confirmed on post-procedure chest radiograph at the superior vena cava–right atrial junction without pneumothorax or hemothorax.

Description of Procedure:

The patient was placed supine with a roll between the shoulder blades to retract the shoulders posteriorly and open the subpectoral space. The bed was placed in 15 degrees of Trendelenburg. The right infraclavicular region was prepped and draped in sterile fashion using ChloraPrep. Maximum sterile barrier precautions were used, including sterile gown, gloves, full drape, mask, and cap.

Surface landmarks were identified: the junction of the medial and middle thirds of the clavicle and the sternal notch. The overlying skin and subcutaneous tissue were infiltrated with [X] mL of 1% lidocaine. Periosteal anesthesia was applied to the inferior clavicular surface at the insertion point.

An [18-gauge] introducer needle attached to a syringe was inserted at the inferior border of the clavicle at the medial-middle third junction, directed toward the sternal notch at a shallow angle parallel to the floor. The needle was advanced under the clavicle, hugging the periosteum. Venous blood was freely aspirated confirming intravascular position. A J-tipped guidewire was advanced through the needle without resistance. The needle was removed over the wire. A small skin nick was made at the wire entry site.

A dilator was passed over the wire to dilate the subcutaneous tract, then removed. A [triple-lumen / double-lumen] central venous catheter was advanced over the wire to [14] cm at the skin. The wire was removed. All ports were aspirated confirming venous blood return and flushed with normal saline. The catheter was secured to the skin with suture and a sterile occlusive dressing was applied.

A post-procedure chest radiograph confirmed appropriate catheter tip position at the superior vena cava–right atrial junction without evidence of pneumothorax or hemothorax.

Complications:

None

Specimens:

None

Estimated Blood Loss:

Minimal

Drains:

None

Disposition:

The patient tolerated the procedure well and was monitored in [ICU / step-down / floor] in stable condition. The catheter was ready for use.

Epic SmartPhrase Version 
PREOPERATIVE DIAGNOSIS: Need for central venous access, ***
POSTOPERATIVE DIAGNOSIS: Same
PROCEDURE PERFORMED: Right subclavian central venous catheter placement
ATTENDING: ***, MD/DO
ASSISTANT: ***
ANESTHESIA: Local: *** mL 1% lidocaine without epinephrine

INDICATIONS: The patient is a .PTAGE-year-old .PTSEX with *** requiring central venous access for ***. Risks, benefits, and alternatives were discussed and informed consent was obtained.

FINDINGS: Right subclavian vein accessed at medial-middle third clavicular junction. Catheter tip at SVC-RA junction on CXR, no pneumothorax.

PROCEDURE:
Patient supine with interscapular roll, 15 degrees Trendelenburg. Right infraclavicular region prepped and draped in sterile fashion. Maximum sterile barrier precautions used.

Landmarks identified: medial-middle third clavicular junction and sternal notch. Skin and periosteum anesthetized with *** mL 1% lidocaine. Introducer needle inserted at inferior clavicular border directed toward sternal notch with free venous blood return. J-tipped guidewire advanced without resistance. Needle removed. Skin nick made.

Dilator passed and removed. *** CVC advanced to *** cm at skin. Wire removed. All ports aspirated and flushed. Catheter secured with suture, sterile dressing applied.

Post-procedure CXR: tip at SVC-RA junction, no pneumothorax or hemothorax.

COMPLICATIONS: None
EBL: Minimal
DISPOSITION: Patient tolerated procedure well, monitored in stable condition.

Signed: .ME, .MYDEGREE
.TODAY
Variants

Left Subclavian Approach

Left subclavian access was obtained using the same technique. The catheter was advanced to [16] cm at the skin to account for the longer course to the SVC-RA junction. The thoracic duct is at risk with left-sided subclavian cannulation; no chylous fluid was encountered. Post-procedure CXR confirmed appropriate tip position.

Conversion to Internal Jugular Access

After [number] unsuccessful attempts at right subclavian cannulation due to [inability to aspirate blood / arterial puncture / anatomic variation], the decision was made to access the right internal jugular vein. Pressure was held at the subclavian site for [X] minutes with hemostasis confirmed. The right IJ was accessed using ultrasound guidance via the standard technique. Post-procedure CXR confirmed appropriate catheter tip position without pneumothorax.

Complicated by Pneumothorax

Post-procedure chest radiograph demonstrated a [small / moderate / large] right pneumothorax. The patient was [asymptomatic / symptomatic with decreased breath sounds and oxygen requirement]. A [chest tube / pigtail catheter] was placed in the right [4th / 5th] intercostal space, mid-axillary line with re-expansion of the lung confirmed on repeat CXR.

Charting Tips
  • Subclavian lines carry the lowest CLABSI risk and highest pneumothorax risk. Always document post-procedure CXR result explicitly, including absence of pneumothorax and specific tip location. If pneumothorax occurs, document management in the same note.
  • Document the number of needle passes if more than one attempt was required, as this is medicolegally important if complications arise. If more than 3 attempts, document the reason for persistence and any site change.
  • Document maximum sterile barrier precautions (gown, gloves, full drape, cap, mask) for CLABSI bundle compliance. This is audited and required for institutional quality metrics.
Billing Tips
  • Bill 36556 for non-tunneled central venous catheter in patients 5 years and older (1.71 wRVU, 0-day global). The same code applies to subclavian, IJ, and femoral approaches. Site does not change the CPT.
  • Bill 36555 for patients under 5 years (1.88 wRVU). Age is the sole determinant between these two codes.
  • 0-day global period: no bundled postoperative care. A separate E/M can be billed the same day if a significant, separately identifiable service is documented with modifier -25 on the E/M.
  • Ultrasound guidance (76937) is separately billable when documented with real-time imaging and a permanent image record. Required documentation: confirmation of vessel patency, real-time needle visualization, and a saved image.
  • Do not use 36556 for tunneled catheters (Hickman, Broviac), which use 36558/36560. Do not use for PICCs, which use 36568/36569. Code selection is based on tunnel status, not insertion site.