3% of collections. Flat. All 50 states.matt@onlycardiologybilling.com  ·  Mon to Fri, 9 to 5 Central
CPT guide for cardiology billers

Stress test CPT codes: treadmill, stress echo, nuclear

Sources checked: . Sources and review scope.

Stress-test code selection depends on the service performed, the components furnished, and the billing arrangement. These examples are a starting point, not a claim recipe. Check current CPT instructions, Medicare component indicators and edits, and the patient's coverage rules for the date of service.

Talk to our teamExplore pricing

3% of collectionsNo setup feeNo contract

Stress test CPT codes: a cardiologist beside a patient on a treadmill in a cardiology office, 12-lead ECG in frame
93015 complete serviceVerify component rulesCheck CPT
Match code to work furnished
01Treadmill

Treadmill stress test: 93015 to 93018

93015 describes the complete stress-test service, including supervision, ECG tracing, interpretation, and report. Codes 93016, 93017, and 93018 describe component services. Report only the work furnished and supported by the record. Who may bill each component depends on the service arrangement, current Medicare payment indicators, and payer rules, not equipment ownership alone.

The CPT component descriptors identify 93016 as supervision, 93017 as tracing, and 93018 as interpretation and report. Confirm the current codebook instructions and report only work furnished and supported by the record.

For hospital services, physician and facility claims may report different components. Confirm who furnished each component, whether separate reporting is allowed, and the facility's billing arrangement before assigning 93016, 93017, or 93018.

When providers split a test, identify who furnished each component and check current CPT rules and Medicare professional/technical component indicators before billing. Do not assign a component to a practice just because it owns the equipment.

The stress-test tracing is described within the stress-test service. Report a separate ECG only when documentation and current CPT and NCCI rules support it.

Cardiac stress test billing
Components furnished and documented
Illustrative CMS-1500Office treadmill components · POS 11
DOSPOSCPTModDx09/08/261193016A09/08/261193017A09/08/261193018A
Example onlyVerify coding and payment
Report only supported components
02Supervision

Supervision: who can bill 93016

Medicare's required supervision level depends on the specific test and applicable rules. Check 42 CFR § 410.32 and current payment policy for the service and date. Document the practitioner who actually furnished or supervised the test, and report it under applicable qualification, enrollment, and billing rules.

An NP or PA may furnish diagnostic services only when applicable Medicare requirements, state scope of practice, and enrollment rules permit it. Verify those conditions for the specific test before billing a component under that practitioner's NPI.

Do not report a practitioner as supervising when the record does not support that role. For drug stress, document who furnished or supervised the service and apply the standard for that test.

Identify the rendering practitioner
Illustrative exampleOffice treadmill · verify requirements
  • 93016Check practitioner and test requirementsVerify
  • 93018Identify who furnished the interpretationVerify
  • 93016Do not attribute supervision to an absent practitionerCheck
  • Actual role documentedRequired
Record the practitioner who furnished the service
03Stress echo and nuclear

Stress echo and nuclear stress tests

A stress echo is reported under the code and components that match the work performed. Check the current CPT descriptor and instructions for 93350 and 93351; do not infer a code solely from the office or hospital setting.

Modifier 26 is appropriate only when the current Medicare Physician Fee Schedule component indicator and billing facts support professional-component reporting. Apply current CPT and NCCI rules to separately billed stress-test components; supervision or reading alone does not establish that a particular code combination is reportable.

Before reporting separate stress-test or contrast lines with a stress echo, check current CPT instructions and the NCCI edit file for the exact code pair and circumstances. Use 93352 only when the documented service meets current add-on instructions.

For a nuclear study, imaging, stress-test, radiopharmaceutical, and drug lines depend on which services were furnished and who may bill them. Check current CPT and HCPCS descriptors, component indicators, and facility or payer rules before combining these services on a claim.

78452 CPT code
Check CPT and component indicators
Illustrative examplesStress echo · component rules vary
Components documentedExample

Check CPT

Match code to work furnished

Example onlyReview rules
Separate practitionersExample

Check NCCI

Identify each service furnished

Example onlyReview rules
Match code to work furnished
04Drug stress and denials

Drug stress and stress test denials

Use the stress-test code that describes the documented service, whether exercise or pharmacologic stress was used. Verify current CPT instructions for the service performed.

For a separately reported drug, confirm the current HCPCS Level II descriptor, billing unit, actual dose, and applicable payer rules. A purchase alone does not establish that a drug line is separately payable.

Do not assume an IV start, injection, or other service is separately reportable or included without checking current code descriptors, CPT instructions, and NCCI edits.

Before submitting a stress-test claim, check:

  • Code and settingConfirm each code describes the service furnished and component arrangement.
  • SupervisionCheck the current rule for the specific test and practitioner.
  • Code pairsReview current CPT instructions and NCCI edit status.
  • UnitsMatch HCPCS units to the current descriptor and actual dose.
  • AuthorizationCheck the member's current plan requirements.
Denials and appeals
Check code and component rules
Illustrative reviewHospital treadmill · verify components
  1. ReviewCheck code, setting, and services furnished
  2. Correct only if supportedUse current CPT and NCCI rules
  3. OutcomeDepends on payer and claim facts
Check code and component rules
05Codes

Stress test CPT code table

These are code families, not universal claim combinations. Check current CPT instructions, Medicare component indicators and NCCI edits, rendering arrangement, and payer rules for the service date.

Cardiac stress test billing
SettingTreadmillStress echoNuclear
OfficeSelect code(s) for documented componentsCheck CPT descriptor and component rulesCheck imaging, stress, drug, and tracer rules
Hospital physician claimReport professional work only when indicator permitsCheck CPT and component indicatorsCheck component indicator and NCCI edits
Hospital facility claimReport components furnished under facility rulesFollow current facility coding rulesCheck facility rules for imaging and supplied agents
06FAQ

FAQ

What is the CPT code for a treadmill stress test?

93015 describes a complete stress-test service; 93016, 93017, and 93018 describe components. Which entity reports a component depends on the service arrangement and applicable coding and payment rules.

What is the Lexiscan stress test CPT code?

Regadenoson is the stress agent, not a single CPT code. Imaging, stress-test, drug, and tracer codes depend on the study performed, current CPT/HCPCS descriptors, and payer rules. Verify each line and unit before billing.

Can an NP supervise and bill a stress test?

Only when Medicare requirements, state scope, and enrollment rules permit that NP to furnish or supervise the specific test. Confirm the applicable rule before billing under the NP's NPI.

Is 93017 the same as 93015?

93017 describes the tracing component. 93015 describes the complete service. Confirm the current CPT descriptors and applicable component rules for the service billed.

Sources and review context

Reviewed on 2026-09-30 against official source pages for Medicare NCCI procedure-to-procedure edits and policy, the Medicare Physician Fee Schedule, diagnostic-test conditions, Medicare coverage documents, and AMA CPT resources:

This source check reviewed coding-resource and coverage references, not every CPT instruction, code pair, fee-schedule indicator, claim scenario, state scope rule, or payer contract. It is not a clinical review, legal advice, or a guarantee of coverage or reimbursement. Verify the applicable current sources and plan requirements before submitting a claim.

07Get in touch

Send your last 90 days of stress claims

We show you, by payer, which went out with the wrong setting or supervising name. Free, no strings.

Talk to our teamExplore pricing

3% of collectionsNo setup feeNo contract

Free, no strings
Your 90-day stress test reviewLast 90 days
  • Global vs component, by settingIncluded
  • Supervising name checkedIncluded
  • Drug unitsIncluded
  • Denied, and whyIncluded