CPT 76776Radiology

Us exam k transpl w/doppler

CPT code 76776 covers an ultrasound examination of a transplanted kidney with Doppler imaging, which uses sound waves to assess blood flow through the donor kidney after transplant surgery.

Showing rates for

National Average

Base Medicare rate

$141.68

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

0.76

PE RVU (NF)

3.56

MP RVU

0.06

Total RVU

4.38

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

NCCI bundling edits

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Billing tips

Always verify that Doppler evaluation is documented in the report; without Doppler documentation, you must use 76775 instead of 76776
Impact: Incorrect code selection can result in downcoding from $141.68 to a lower-paying code or denial for lack of medical necessity
Bill global code 76776 only when both technical and professional components are provided by the same entity; split billing requires modifiers 26 and TC
Impact: Incorrect modifier usage can lead to duplicate payment denials or underpayment of approximately $99-113 for missing components
Document resistive indices (RI) values in the report, as abnormal values support medical necessity for follow-up studies and help justify frequency
Impact: Complete vascular assessment documentation reduces denial risk by 30-40% for frequency limitations
Link to appropriate diagnosis codes including transplant status (Z94.0) and specific complication codes when applicable
Impact: Proper ICD-10 linkage is essential; missing Z94.0 can trigger medical necessity denials resulting in $141.68 loss per claim
Be aware of LCD frequency limitations; Medicare typically covers routine surveillance but may limit frequency to specific protocols
Impact: Exceeding frequency limits without ABN can result in provider write-off of $141.68 per denied study
Ensure complete documentation includes evaluation of transplant bed for fluid collections, as this differentiates comprehensive from limited studies
Impact: Incomplete documentation can trigger downcoding audits affecting 10-15% of submitted claims annually

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 76776 in 2025?

The 2025 Medicare national average reimbursement rate for CPT 76776 is $141.68 for both facility and non-facility settings, based on 4.38 total RVUs and a conversion factor of 32.3465.

How does CPT 76776 differ from 76775?

CPT 76776 includes Doppler evaluation of the transplanted kidney's vascular structures, while 76775 is a kidney ultrasound without Doppler. Code 76776 requires documentation of color and spectral Doppler assessment of renal vessels and has higher reimbursement.

How often can CPT 76776 be billed for routine transplant surveillance?

Medicare frequency limitations vary by LCD, but typical coverage includes immediate post-transplant period studies and periodic surveillance at intervals determined by transplant protocols and clinical status. Routine surveillance beyond established protocols may require additional documentation of medical necessity.

Can CPT 76776 be billed with modifier 26 for professional component only?

Yes, modifier 26 should be appended when billing only the physician interpretation component, typically in hospital settings where the facility bills the technical component separately with modifier TC.

What diagnosis codes are required for CPT 76776?

The primary diagnosis should include Z94.0 (kidney transplant status). Additional codes may include specific complications being evaluated such as T86.1- codes for transplant complications, N17-N19 for acute or chronic kidney disease, or symptom codes like R94.4 for abnormal kidney function studies.

What RVU values are assigned to CPT 76776 in 2025?

CPT 76776 has 0.76 work RVU, 3.56 practice expense RVU (both facility and non-facility), and 0.06 malpractice RVU, for a total of 4.38 RVUs in 2025.

Do I need an ABN for CPT 76776 if the patient has frequent transplant ultrasounds?

Yes, an Advance Beneficiary Notice (ABN) is recommended when ordering studies that may exceed Medicare frequency limitations or when medical necessity may be questioned, protecting both the provider and patient from unexpected denials of the $141.68 charge.