Insert tissue expander(s)

CPT code 11960 covers the surgical insertion of tissue expander devices under the skin, typically used in breast reconstruction or other procedures requiring gradual skin stretching. The expander is gradually filled over time to create enough skin and tissue for later reconstruction.

Showing rates for

National Average

Base Medicare rate

$1,000.80

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

11.49

PE RVU (NF)

17.47

MP RVU

1.98

Total RVU

30.94

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

NCCI bundling edits

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Billing tips

Always append modifier 50 for bilateral expander placement rather than billing 11960 twice with RT/LT modifiers
Impact: Ensures proper payment at 150% rate ($1501.20) and prevents automatic denial of second claim as duplicate; saves average 2-3 weeks in payment delays
When performed immediately following mastectomy (CPT 19303, 19304, 19305, 19306, 19307), document tissue expander insertion as separate procedure and append modifier 59 if needed
Impact: Prevents bundling denials; expander insertion is separately reimbursable but requires clear documentation of distinct procedure; protects $1000.80 reimbursement
Document number of expanders inserted and total volume capacity in operative report; use 11960 once regardless of number of expanders
Impact: 11960 covers insertion of multiple expanders; billing multiple units is incorrect and triggers audits; proper documentation prevents modifier 22 denials for complex cases
For delayed reconstruction cases, ensure medical necessity documentation includes reason for delay and reconstruction plan in chart
Impact: Medicare and most payers require reconstruction be part of documented treatment plan; missing documentation causes 15-20% denial rate for non-oncologic cases
Verify payer-specific policies on tissue expander device costs; submit implant costs separately using C-codes or specific payer billing codes
Impact: Device costs ($800-2500) are separate from professional fee in most settings; incorrect device billing delays payment by 30-60 days on average
When using modifier 22 for increased complexity, include comparison to standard procedure time and specific documentation of complicating factors in claim submission

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Frequently asked questions

What is the Medicare reimbursement rate for CPT code 11960 in 2025?

The 2025 Medicare national average reimbursement for CPT 11960 is $1000.80 for both facility and non-facility settings. This rate is based on 30.94 total RVUs (11.49 work RVU, 17.47 practice expense RVU, and 1.98 malpractice RVU) multiplied by the 2025 conversion factor of 32.3465. Actual reimbursement varies by geographic location based on local GPCI adjustments.

Can CPT 11960 be billed bilaterally for breast reconstruction?

Yes, CPT 11960 can and should be billed bilaterally using modifier 50 when tissue expanders are inserted in both breasts during the same operative session. Bilateral billing typically results in 150% reimbursement ($1501.20 for Medicare). Never bill 11960 twice on separate lines with RT/LT modifiers, as this will result in duplicate claim denials.

Is CPT 11960 bundled with mastectomy codes?

No, CPT 11960 is separately reportable when performed with mastectomy procedures (CPT 19301-19307). NCCI edits do not bundle tissue expander insertion with mastectomy codes. However, clear documentation in the operative report distinguishing the expander insertion as a distinct procedure is essential. Some payers may require modifier 59 to prevent automated bundling denials.

How do you bill for insertion of multiple tissue expanders?

CPT 11960 is reported once regardless of the number of tissue expanders inserted, as the code descriptor states 'expander(s)' plural. Billing multiple units of 11960 is incorrect and will trigger audits. Document the number of expanders, their locations, and sizes in the operative report. For increased work due to multiple expanders or complexity, consider modifier 22 with appropriate documentation.

What documentation is required to support medical necessity for CPT 11960?

Medical necessity documentation must include the underlying condition requiring tissue expansion (mastectomy for cancer, traumatic tissue loss, congenital deformity), the reconstruction plan including planned stages, pathology reports for oncologic cases, and clinical notes supporting the need for expansion. For post-mastectomy reconstruction, reference the Women's Health and Cancer Rights Act. Non-oncologic cases require detailed explanation of functional or reconstructive necessity.

Can CPT 11960 be billed during the global period of another surgery?

Yes, but modifier use is critical. If the tissue expander insertion was planned as a staged procedure, use modifier 58 for full reimbursement. If returning to the OR for a complication or unplanned procedure during the global period, use modifier 78, which results in reduced payment (typically 70-80%). Documentation must clearly establish whether the procedure was planned or unplanned and the relationship to the initial surgery.

Are tissue expander devices billed separately from CPT 11960?

Yes, in most settings the tissue expander device itself is billed separately from the surgical insertion code 11960. In hospital outpatient and ASC settings, use appropriate C-codes or facility-specific billing codes for the implantable device. The $1000.80 Medicare payment for 11960 covers only the professional surgical service, not the device cost which typically ranges from $800-2500 depending on type and size.