CPT 21554Surgery

Exc neck tum deep 5 cm/>

CPT code 21554 covers surgical removal of a deep tumor in the neck that measures 5 centimeters or larger. This is a major surgical procedure requiring significant expertise due to the complex anatomy and vital structures in the neck region.

Showing rates for

National Average

Base Medicare rate

$719.39

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

11.13

PE RVU (NF)

8.73

MP RVU

2.38

Total RVU

22.24

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Measure and document tumor size in operative note at three dimensions with specific mention that greatest diameter is ≥5cm
Impact: Prevents $200-300 downcoding to 21555 (3-5cm) or 21556 (<3cm); size threshold is critical determinant
Clearly document tumor depth relative to superficial fascia/platysma to distinguish from subcutaneous excision codes (21552-21553)
Impact: 21554 pays approximately $400-500 more than superficial codes due to higher complexity and risk
Document all neurovascular structures identified, dissected, and preserved (carotid, jugular, vagus, sympathetic chain, cranial nerves)
Impact: Supports medical necessity, justifies modifier 22 when appropriate for additional 20-50% reimbursement
Submit final pathology report with claim or on appeal showing tumor type, size confirmation, and depth of origin
Impact: Reduces audit risk and supports medical necessity; pathology confirmation can prevent 15-20% of denials
Do not bundle with neck dissection codes (38720-38724) if tumor excision is distinct from lymph node dissection
Impact: Preserves additional $500-1,500 reimbursement when both procedures are medically necessary and documented separately
Consider modifier 22 when operative time exceeds 3 hours or requires skull base approach, vascular reconstruction, or extensive cranial nerve dissection
Impact: Can add $144-360 to base reimbursement with proper documentation including operative time and complexity narrative

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Frequently asked questions

What is the Medicare reimbursement for CPT 21554 in 2025?

Medicare pays $719.39 for CPT 21554 in 2025 (both facility and non-facility rates are identical). This is based on 22.24 total RVUs multiplied by the 2025 conversion factor of 32.3465.

What size tumor qualifies for CPT 21554 versus 21555?

CPT 21554 requires tumor diameter of 5 centimeters or greater. Tumors measuring 3-5cm should be coded as 21555, and those under 3cm as 21556. Accurate measurement documentation in the operative note is essential for correct code selection.

How do I distinguish deep neck tumor excision from subcutaneous excision?

Deep tumors (21554) are located beneath the superficial fascia/platysma and require dissection through deep fascial planes, often involving carotid sheath structures. Subcutaneous tumors (21552-21553) are above the superficial fascia. Documentation must clearly specify anatomic depth and structures encountered.

Can CPT 21554 be billed with neck dissection codes?

Yes, if the tumor excision and neck dissection are distinct procedures with separate medical necessity. Use modifier 59 on 21554 to indicate a separately identifiable service. Documentation must clearly differentiate tumor excision from lymph node dissection and specify different anatomic involvement.

What are the work RVUs for CPT 21554?

CPT 21554 has 11.13 work RVUs, 8.73 practice expense RVUs (both facility and non-facility), and 2.38 malpractice RVUs, totaling 22.24 RVUs. This reflects the significant surgical complexity and time required for deep neck tumor excision.

When should modifier 22 be used with CPT 21554?

Modifier 22 is appropriate when the procedure requires substantially greater complexity than typical, such as extensive vascular adherence requiring reconstruction, multiple cranial nerve preservation, skull base extension, or operative time significantly exceeding the typical 2-3 hours. Documentation must detail the additional work performed.

What documentation prevents denials for CPT 21554?

Critical documentation includes: tumor measurements confirming ≥5cm size, explicit description of depth below superficial fascia, identification of deep structures (carotid sheath, cranial nerves), operative time, and final pathology confirming size and deep tissue origin. Preoperative imaging reports supporting medical necessity are also important.