Letters of Support

By Nick Peplow·Gender-affirming surgery coordinator

Last reviewed 27 September 2026· How this site is researched

For most people the letter of support is the most irritating thing standing between them and a surgery date, and it is usually simpler than it sounds. It is a letter from a clinician saying that you meet the criteria and that you are in a fit state to have the operation you have asked for. This page covers which procedures need one, what it has to say, who is allowed to write it, how long it takes and how long it stays good for.

How many you need

Under the current Standards of Care the recommendation is one letter for any gender-affirming surgery, from a qualified health professional. What you will actually be asked for varies by procedure and by payer.

• Breast augmentation — one letter is the norm, and private surgeons working on an informed-consent basis sometimes ask for none. Insurers, where they cover it at all, will want one.
• Facial feminisation and voice surgery — one letter where anything is asked for. Both are frequently self-funded, which is part of why the paperwork is lighter. Voice surgeons tend to care more about a speech therapy history than about a psychologist's opinion.
• Orchiectomy — one letter under SOC8, though some insurers still want two because the operation sterilises you.
• Vaginoplasty and vulvoplasty — one under SOC8, but two remains common. Many US insurers, NHS England and a good number of surgeons have not moved off the older two-letter rule. Assume two until somebody tells you in writing that one will do.

The full picture of what SOC8 asks for is on WPATH SOC8 Criteria. The letter count is the part that payers and hospitals have been slowest to update, so the number you are given usually tells you more about who is paying than about the operation.

What the letter has to contain

The content is fairly standardised, and a letter that satisfies most surgeon and insurer templates will include the following.

• Your name and date of birth, and how long the writer has known or assessed you
• The writer's qualifications, licence number and contact details
• A statement that you meet the criteria for gender incongruence or gender dysphoria, generally with the relevant diagnostic code
• A note that other explanations for the incongruence have been considered
• Confirmation that any mental or physical health conditions are stable enough not to compromise the surgery or the recovery
• Confirmation that you have capacity to consent and understand the risks, the benefits and the permanence
• How long you have been on oestrogen and, where relevant, an anti-androgen
• An explicit recommendation of the specific procedure, by name

That final point causes more trouble than any other. A letter recommending "gender-affirming surgery" in general can be bounced by an insurer that wants to read "penile inversion vaginoplasty" or "bilateral breast augmentation with implants". Ask the surgeon's office for their template, or at least a list of what they need, before anybody starts writing.

Who can write one

SOC8 asks for a health professional competent to assess trans and gender diverse people. That is a wider group than most people assume, and depending on where you are and who is paying it can include licensed therapists, counsellors and clinical social workers, psychologists and psychiatrists, a GP with relevant experience, nurse practitioners in some places, and the staff of a public gender service.

Insurers are usually the ones who narrow the list. Some want at least one of the two letters for genital surgery to come from someone at doctoral level. Some require the writer to be licensed in your own state or country. That is a detail worth confirming before you pay for an assessment, because a letter from the wrong jurisdiction is a letter you will pay for twice.

How long it takes, and the thing that actually delays people

Waiting lists are what delay people. Not the writing, which is an afternoon's work, and not the assessment, which is commonly one or two conversations. If you already see a therapist or a prescribing clinician, ask them first. They know your history, the letter is often a normal session fee or nothing at all, and you may have it inside a fortnight.

Failing that, there are single-session assessment services. In the US a number of therapists and organisations will assess you by video and turn a letter around in days, typically for a few hundred dollars, and some run sliding scales. The UK has private psychologists and gender clinics doing much the same for a few hundred pounds.

Public gender services are the slow route by a wide margin. Waits for a first appointment are measured in years in several countries, and the letter comes at the end of the assessment rather than the beginning. If you are self-funding, most people in that position get a private letter rather than wait for the public one.

I would put this alongside hair removal on your list of things to start first. If you are heading for vaginoplasty, permanent clearance of the area the surgeon will use takes many months on the hair's own schedule, and it has to be finished before your date. Letters and electrolysis are the two items that will not be hurried at the end, and they are the two people leave until last. Start here sets out how the rest of the timeline hangs off them.

Expiry

Letters go stale. Many surgeons and insurers want one dated inside the last twelve months, some are content with longer, and a few will accept an older letter with a short note from the writer confirming nothing has changed. Nobody publishes a universal rule here because there is not one.

This matters on this pathway more than most, because dates move. A vaginoplasty date pushed back six months because clearance was not finished is exactly the situation in which a letter written a year earlier quietly expires. I have seen that particular pair of problems arrive together more than once. When your date slips, check the date on your letters the same week.

The mental health part

People worry that a diagnosis, a past admission or current medication will sink the letter. Generally it does not. The writer is being asked whether your conditions are managed well enough for you to get through surgery and recovery, not whether you have any. Depression stable on medication, managed ADHD, self-harm years in the past — all routine, and none of it stops letters being written. Active psychosis, an eating disorder that is not under control or current substance dependence are the kinds of thing that tend to produce a "not yet" rather than a "no".