The TMS Prior Authorization, Step by Step
SavePrior authorization is the plan's pre-approval that TMS is medically necessary. The clinic submits your diagnosis and a documented antidepressant-trial history, and sometimes prior therapy. Approvals usually take a few days to a few weeks, and a clear treatment history is what moves the review along fastest.
Last updated: July 2026
What does the clinic submit?
Your clinic assembles a packet aimed at the plan's criteria. It typically includes your depression diagnosis, and a documented history of the antidepressants you have tried, with the doses you were prescribed and how long you took each 2Ref 2MedlinePlus, U.S. National Library of Medicine (2024).Antidepressants.Consumer-health reference on antidepressant medications, including that a medication is typically tried at a therapeutic dose for a period of weeks before its response can be judged.. Because TMS is generally positioned for depression that has not responded to medication, plans look closely at whether those medication trials were adequate and are clearly recorded 1Ref 1American Medical Association (2025).Prior authorization research & reports.AMA research documenting how prior authorization and step-therapy requirements work in practice, including the documentation plans request and the review timelines patients and clinicians encounter.. Some plans also want evidence of a course of psychotherapy. Knowing what counts as failing two antidepressants shows you exactly which parts of that history a reviewer will focus on.
What can you prepare to speed it up?
You can make your prescriber's job easier by bringing an organized treatment history. A simple worksheet listing each antidepressant you have taken, the approximate dates, the dose you were prescribed, why you stopped, and any side effects gives the clinic the specifics a plan wants without a scramble through old records. If care was split across different prescribers, gathering those details in one place is especially useful. It can also help to note any psychotherapy you have done. Our overview of how prescribers choose an antidepressant can help you reconstruct the reasoning behind past medication changes.
How long does approval take?
Timelines vary. Once a complete packet is submitted, some plans respond within a few days, while others take a couple of weeks, and a request for additional documentation can extend that. Medicare Advantage and many commercial plans use prior authorization as a routine step, so delays are common rather than a sign something went wrong 3Ref 3Centers for Medicare & Medicaid Services (2024).Medicare Advantage & other health plans.That Medicare Advantage (Part C) plans must cover at least the same benefits as Original Medicare, may use provider networks and prior authorization, and must cap annual out-of-pocket costs for Part A and B services.. It is reasonable to ask the clinic when they submitted and to follow up if you have not heard back within the plan's stated window. Keeping your own copy of what was sent means you can respond quickly if the plan asks for one more piece.
When a denial or delay needs attention
Not every request sails through, and knowing the next move keeps a hold-up from stalling your care for long. If a plan asks for more information, your clinic can usually supply it quickly when your treatment history is already organized. If the answer is no, that same documentation is the foundation of an appeal, and reading how many sessions a plan typically authorizes helps you understand what an approval actually covers. Gale can help you keep the prior-authorization paperwork, dates, and follow-ups in one place so the process stays on track.
Common questions
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Two or three sentences, just as you’d say it. Gale reflects back what you focused on — a mirror, not a quiz.
If things feel heavy, a person is available anytime — call or text 988.
A note on prior authorization
- —If your depression worsens or you have thoughts of self-harm, you can call or text the 988 Suicide and Crisis Lifeline for free, confidential support any time.
This article offers general information about paying for and accessing TMS care; it is not medical advice, a diagnosis, or a guarantee of coverage. Your plan's medical policy and your clinician's judgment govern your situation. If your depression feels worse or you have thoughts of harming yourself, you can reach the 988 Suicide and Crisis Lifeline by calling or texting 988.
References
- 1.American Medical Association (2025). Prior authorization research & reports. American Medical Association (AMA). link ✓AMA research documenting how prior authorization and step-therapy requirements work in practice, including the documentation plans request and the review timelines patients and clinicians encounter.
- 2.MedlinePlus, U.S. National Library of Medicine (2024). Antidepressants. MedlinePlus, U.S. National Library of Medicine. link ✓Consumer-health reference on antidepressant medications, including that a medication is typically tried at a therapeutic dose for a period of weeks before its response can be judged.
- 3.Centers for Medicare & Medicaid Services (2024). Medicare Advantage & other health plans. Medicare.gov (CMS). link ✓That Medicare Advantage (Part C) plans must cover at least the same benefits as Original Medicare, may use provider networks and prior authorization, and must cap annual out-of-pocket costs for Part A and B services.
- 4.Centers for Medicare & Medicaid Services (2024). The Mental Health Parity and Addiction Equity Act (MHPAEA). CMS (Centers for Medicare & Medicaid Services). link ✓That MHPAEA generally requires group health plans and issuers offering mental-health or substance-use benefits to apply financial requirements and treatment limitations no more restrictively than for medical and surgical benefits.
4 sources, numbered by first appearance. General health information, not medical advice. AI-assisted editorial content — every citation independently verified. Editorial policy