CPT 76937Radiology

Us guide vascular access

CPT 76937 covers ultrasound guidance used by physicians to locate blood vessels and guide needle placement during procedures like IV line insertion, blood draws, or catheter placement. This imaging technique helps providers see veins and arteries in real-time to improve accuracy and reduce complications.

Showing rates for

National Average

Base Medicare rate

$37.20

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

0.3

PE RVU (NF)

0.82

MP RVU

0.03

Total RVU

1.15

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

NCCI bundling edits

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Billing tips

Always obtain and store permanent ultrasound images showing pre-procedure vessel patency, needle entry, and final position. This is mandatory for reimbursement.
Impact: Missing images result in 80-90% denial rate on audit; can forfeit the entire $37.20 payment
Document real-time guidance explicitly in the procedure note, not just 'ultrasound used.' State that ultrasound was used to visualize the vessel, guide needle entry, and confirm placement.
Impact: Vague documentation increases denial risk by 60%; specific language supports full $37.20 reimbursement
Report 76937 only once per patient encounter regardless of number of needle passes, unless accessing completely different anatomic sites with separate medical necessity.
Impact: Multiple same-day claims without modifier 59 result in automatic denial of duplicate charges
Do not bill 76937 with CPT 36568, 36569, 36572, 36573 (tunneled catheter insertions) as ultrasound guidance is bundled into these codes per NCCI edits.
Impact: Unbundling violations trigger recoupment of $37.20 plus potential prepayment review
Bill in facility setting (hospital) recognizes the same rate ($37.20) as non-facility, so ensure Place of Service code is accurate to avoid claim rejections.
Impact: Incorrect POS codes delay payment 15-30 days but don't affect reimbursement amount
For Medicare patients, ensure LCD/NCD compliance; some MACs require specific ICD-10 codes documenting difficulty of access or medical necessity.
Impact: Missing medical necessity documentation results in 40-50% denial rate on prepayment review

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 76937 in 2025?

The 2025 Medicare national average reimbursement rate for CPT 76937 is $37.20 for both facility and non-facility settings. This is based on 1.15 total RVUs multiplied by the 2025 conversion factor of 32.3465.

Can CPT 76937 be billed separately from the vascular access procedure code?

Yes, but only if not bundled per NCCI edits. CPT 76937 is separately reportable with many peripheral and central access codes (36000, 36410, 36556, 36561), but is bundled into tunneled catheter codes (36568-36573). Always check current NCCI edit tables before billing.

What documentation is required to bill CPT 76937?

Required documentation includes: permanent ultrasound images showing vessel patency, needle entry, and final position; procedure note documenting real-time ultrasound guidance during insertion; medical necessity justification; and image interpretation confirming successful placement. Missing any element significantly increases denial risk.

How many times can you bill 76937 in one day?

Typically once per patient encounter. Multiple billings on the same day require modifier 59 or 76 and documentation of distinct anatomic sites or separate medical necessity (e.g., right IJ and left femoral access). Same-vessel multiple attempts count as one billable service.

What is the RVU value for CPT code 76937?

CPT 76937 has a total RVU of 1.15 for 2025, consisting of 0.3 work RVU, 0.82 practice expense RVU (both facility and non-facility), and 0.03 malpractice RVU.

Do you need permanent images to bill 76937?

Yes, permanent ultrasound images are absolutely mandatory per CPT guidelines and payer policies. Images must be stored in the medical record and show pre-procedure vessel assessment, needle/catheter entry, and final position. Claims without documented permanent images are routinely denied on audit.

Can nurses or technologists bill CPT 76937?

No. CPT 76937 requires physician, PA, or NP performance with appropriate supervision. The provider performing the ultrasound guidance must be credentialed for ultrasound-guided procedures and must personally document the real-time guidance and image interpretation. Technologist-only performance is not billable under this code.