Quick guide
- Who may be a candidate for TMS therapy?
- Five factors that support candidacy
- Why treatment history matters
- Who needs extra safety screening?
- When another level of care may come first
- Reasons a clinician may pause or reconsider TMS
- What happens during an eligibility evaluation?
- Frequently asked questions
- Find out whether you are a candidate for TMS therapy
A good candidate for TMS therapy often has major depressive disorder that has not improved enough with medication, caused difficult side effects, or remains disabling despite appropriate care. Eligibility also depends on safety screening, diagnosis, treatment history, current risk, and the ability to attend a consistent schedule.
Who may be a candidate for TMS therapy?
The U.S. Food and Drug Administration first cleared an rTMS device for adults with major depressive disorder who had not achieved satisfactory improvement from at least one antidepressant at an adequate dose and duration in the current episode. Current device clearances and insurance rules vary, so a clinician must match the patient, condition, age, and protocol to a specific device indication.
Eligibility is not a quiz score: Meeting one treatment-history rule does not automatically mean TMS is the best next step. The evaluation looks at benefits, risks, urgency, alternatives, and what matters to the patient.
Five factors that support candidacy
- A confirmed diagnosis that matches an FDA-cleared use for the proposed device.
- Persistent symptoms after one or more adequate treatment trials, or medication intolerance.
- A safety review without a prohibited implant or uncontrolled risk that outweighs benefit.
- Realistic expectations about gradual response and continued clinical monitoring.
- A workable plan for frequent visits during the acute treatment course.
Why treatment history matters
Bring names, doses, dates, benefits, and side effects for past medications when possible. Include psychotherapy, hospital care, previous neuromodulation, and current treatment. Records can help the clinician determine whether a trial was long enough and whether another diagnosis or medical condition needs attention.
Insurance plans may set their own documentation requirements, sometimes asking for multiple medication trials or psychotherapy history. Coverage criteria are administrative rules, not a substitute for clinical judgment.
Who needs extra safety screening?
The strongest concern is metal or an electronic implant in or near the head. FDA guidance names cochlear implants, implanted brain stimulators, certain aneurysm clips or stents, and similar devices. The team also reviews seizures, head injury, neurologic illness, medications that may lower seizure threshold, pregnancy, substance use, and recent medical changes.
A history item does not always produce the same answer for every device. Give the clinician the exact implant name and model when available instead of relying on memory or an online checklist.
When another level of care may come first
Someone with immediate danger, severe suicidality, catatonia, inability to eat or drink, psychosis, or rapidly worsening mania may need emergency assessment or a treatment that can act more quickly. Call or text 988 in the United States for crisis support, or call 911 for immediate danger.
TMS evaluation should not delay urgent care. The National Institute of Mental Health notes that brain stimulation plans depend on individual medical needs and that life-threatening depression can require rapid intervention.
Reasons a clinician may pause or reconsider TMS
- The diagnosis is unclear or a medical cause has not been evaluated.
- A contraindicated implant or other major safety concern is present.
- Substance use, sleep deprivation, or medication changes make seizure risk unstable.
- The patient cannot attend enough visits for the prescribed protocol.
- The proposed device is not cleared for the patient’s age or condition.
- Another treatment better matches the severity or urgency of symptoms.
What happens during an eligibility evaluation?
The clinician reviews symptoms, diagnoses, treatment records, medical and neurologic history, implants, medications, current functioning, and treatment goals. A depression scale may establish a baseline. The visit should cover expected session frequency, common side effects, rare seizure risk, alternatives, cost, and the plan for measuring progress.
Bring a family member if you want help remembering the discussion. Consent is stronger when you have time to ask questions and understand what would make the team change course.
Frequently asked questions
Do I have to stop antidepressants for TMS?
Not usually. Many people continue prescribed medication, but medication changes can affect symptoms and safety. Do not stop or adjust a medicine unless the prescribing clinician gives instructions.
Can older adults be candidates?
Yes, depending on diagnosis and safety. A 2021 meta-analysis of older adults found active rTMS superior to sham for symptom reduction, response, and remission, while individual medical and cognitive screening remained important.
Can teenagers receive TMS?
Some devices have an FDA-cleared indication for adjunctive treatment of major depressive disorder in adolescents age 15 and older. Eligibility must match the device labeling and involve developmentally appropriate psychiatric assessment and family consent.
Find out whether you are a candidate for TMS therapy
Being a candidate for TMS therapy depends on more than medication count. A thoughtful evaluation connects diagnosis, safety, treatment history, urgency, schedule, and personal goals.
Want an individual answer? Request a TMS eligibility evaluation with Kalamazoo TMS & Behavioral Health.
