CPT 93024Cardiology

Ergonovine provocation test

CPT 93024 covers an ergonovine provocation test, a cardiac diagnostic procedure where medication is administered to intentionally provoke coronary artery spasm to help diagnose variant (Prinzmetal's) angina. The test monitors heart rhythm and arterial response during controlled medication administration.

Showing rates for

National Average

Base Medicare rate

$109.65

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

1.17

PE RVU (NF)

2.15

MP RVU

0.07

Total RVU

3.39

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

NCCI bundling edits

Loading bundling edits…

Billing tips

Ensure documentation specifies ergonovine as the provocative agent rather than other vasospastic agents, as different provocation tests have different codes and this is specific to ergonovine
Impact: Prevents downcoding to generic cardiac function study codes which reimburse significantly less
Document continuous ECG monitoring with specific time intervals, dosage escalation protocol, and physician presence throughout the procedure for medical necessity and risk justification
Impact: Supports the 3.39 total RVU value and full $109.65 reimbursement by demonstrating complexity and physician involvement
Bill facility and non-facility settings appropriately; both reimburse identically at $109.65 for 2025, but documentation requirements differ for hospital vs. office settings
Impact: Prevents payment delays from setting-specific documentation deficiencies despite identical payment rates
Code separately from cardiac catheterization when performed in the same session, using modifier 59 if necessary, as this is a distinct diagnostic procedure
Impact: Captures additional $109.65 payment when medically appropriate rather than losing revenue to bundling
Include detailed documentation of pre-procedure risk assessment, contraindication screening, and immediate availability of reversal agents (nitrates, calcium channel blockers)
Impact: Reduces audit risk and supports medical necessity for this high-risk provocation test
Report test discontinuation with modifier 53 when safety concerns arise, documenting the specific clinical reason and extent of testing completed before termination

Live Field Datano reports yet

Real billers contribute denial patterns and appeal strategies for this code. Once 5+ reports come in, you’ll see live aggregated data here — the only place this exists, free.

Working with CPT 93024?

Get the free Revenue Protection Toolkit — the denial triggers, modifier pitfalls, and bundling conflicts that quietly cost you reimbursement. Instant download.

Help build the field knowledge

MedPayIQ gets smarter as billers contribute. If you've had this code denied, share what happened so others learn from it. Anonymous, no patient info.

Related actions

Frequently asked questions

What is the Medicare reimbursement rate for CPT 93024 in 2025?

The 2025 Medicare national average reimbursement rate for CPT 93024 is $109.65 for both facility and non-facility settings. This is based on a total RVU of 3.39 and the 2025 conversion factor of 32.3465.

Can CPT 93024 be billed with cardiac catheterization on the same day?

Yes, CPT 93024 can be billed with cardiac catheterization when the ergonovine provocation test is performed as a distinct diagnostic procedure. Use modifier 59 to indicate this is a separate service and ensure documentation clearly shows distinct clinical indications and separate procedure times for each service.

What documentation is required to bill CPT 93024?

Required documentation includes clinical indication for vasospasm diagnosis, informed consent, baseline and continuous ECG monitoring records, specific ergonovine dosage and timing, physician attestation of personal presence during drug administration, hemodynamic monitoring data, availability of reversal agents, and a complete interpretation and report of test results.

What is an ergonovine provocation test and when is it medically necessary?

An ergonovine provocation test involves administering ergonovine medication to intentionally induce coronary artery spasm for diagnosing vasospastic (Prinzmetal's) angina. It is medically necessary when patients have recurrent chest pain at rest with transient ECG changes but non-obstructive coronary arteries on angiography, and vasospastic angina is suspected.

What are the Work RVUs for CPT code 93024?

CPT code 93024 has a Work RVU of 1.17, Practice Expense RVU of 2.15 (both facility and non-facility), and Malpractice RVU of 0.07, for a total RVU of 3.39 in 2025.

How do I bill CPT 93024 if the test is discontinued due to patient reaction?

When the ergonovine provocation test must be discontinued due to adverse reaction or safety concerns, append modifier 53 to CPT 93024. Documentation must clearly specify the reason for discontinuation, the extent of testing completed, and the clinical circumstances requiring termination. This typically results in reduced but not eliminated payment.

Which medical specialties typically perform and bill CPT 93024?

CPT 93024 is typically billed by cardiologists and interventional cardiologists performing the test in hospital cardiac catheterization laboratories or specialized cardiac diagnostic facilities. The procedure requires physician supervision with ACLS training and immediate access to emergency cardiac intervention capabilities.