Thyroid Profile Details
Sample (blood) taken at home through finger pricking. Our Private Thyroid Blood Test detects 5 (five) biomarkers to evaluate its function and identify risks.
A thyroid is an endocrine gland which secretes hormones.
This exam detects 5 (five) biomarkers indicating:
- TSH: Stimulating hormone.
- TT3: Main hormone.
- TT4: Measures thyroxine.
- FT3: Measures triodothyronine.
- FT4: Gland function indicator.
Home Kit Instructions
Thyroid sample should be taken in the morning and before taking medication. Please refrain from taking biotin supplements for 2 days before the day of sample collection.
For the the best samples, we suggest:
- Staying hydrated before taking a sample.
- Taking a warm shower to improve blood flow.
- Doing light exercise.
- Shaking the test tube gently instead of violently.
- Avoiding a hard squeeze on the finger.
- Not leaving the sample to sit for more than a day to prevent clotting.
Why should you check with us?
- Direct laboratory prices and support.
- Fast results and prescriptions.
- CE-certified sensitive PCR laboratory equipment for accurate tests.
- Pre-paid Royal Mail delivery.
- WhatsApp support during business hours.
How does the thyroid exam work?
To analyze and receive results:
- Access the link provided in the written instructions on the test kit.
- Collect samples according to instructions.
- Put the collected sample into the provided additional box.
- Locate the nearest drop box through the Royal Mail app.
- Place the box into the drop box to be delivered and analyzed.
- Receive your results in 1-3 days.
Order your thyroid test kit and collect your sample at home.
Drop off the sample in the Royal Mail Red Street Box. Use the Track 24/48 return label to the laboratory.
Receive your results through email or by opening your dashboard on our site.
How long do I need to wait for my results?
The typical Thyroid Profile turnaround time is 1-3 days. Do note that while we aim to give you results as quickly as possible, the exact result processing time may vary. We are committed to following strict guidelines to ensure quick and accurate results, including staff training, audits, logging, and quality control. The close proximity of our laboratory to our clinic allows us to instantly analyze samples.
We suggest taking your sample from Monday to Thursday to avoid delivery delays from our laboratory.
Thyroid Scientific Data from Supplier (Instrument and Reagent)
Method:
Fluorescence quantitative immunoassay.
Detection limit:
- TSH: 0.1 mIU/L
- TT3: 0.5 nmol/L
- TT4: 5 nmol/L
- FT3: 1 pmol/L
- FT4: 0.3 ng/mL
Precision and Accuracy:
The relative standard deviation is ≤ 15%. Also, the within-assay CV and the between-assay CV are less than or equal to 15%.
Measuring Ranges:
- TSH: 0.1~100 mIU/L
- TT3: 0.5-10 nmol/L
- TT4: 5-300 nmol/L
- FT3: 1-50 pmol/L
- FT4: 0.30-100.00 pmol/L
Validation-Active Information:
- EQA: Yes
- Inter-laboratory validations
- Periodic according to the validation schedule
- Event-triggered- QC/Calibration/New materials/Batch
Detection:
TSH, TT3, TT4, FT3, and FT4 are measured from the serum, plasma, or whole blood samples
In range results:
- TSH: 0.3~4.2 mIU/L
- TT3: 1.23-3.07 nmol/L
- TT4: 66-181 nmol/L
- FT3: 3.10-6.80 pmol/L
- FT4: 12.00-22.00 pmol/L
Furthermore, adults with euthyroid or normal production and serum levels are expected to have normal or in-range results.
Out-of-range results:
Also, any results outside the listed reference ranges would be considered abnormal. And the person may be at risk for hypothyroidism, hyperthyroidism, and other issues.
Page Quality Review:
Review Date : 28/01/2026
Reviewed By :
Shipping and Return Policies
Appointment:
Missed appointments or cancellations less than 24 hours prior are not entitled to refunds. Rescheduling is possible but not guaranteed. Please contact the customer service prior to the appointment time to discuss cost and availability options.
Shipping & Return:
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
To Qualify for any return, the product must be in the same condition as when you received it. Not used, not opened, unworn, in its original packaging. You will also need to send it to us with the receipt or proof of purchase.
Please return to: Medicines by MailBox, 89 Falcon Rd, London. SW11 2PF
You can read our full return policy here:
https://medicinesbymailbox.co.uk/return-policy/
We offer next day delivery; however courier delivery times are out of our control. We are unable to offer refunds for any late deliveries. But you will receive courier tracking information once your order has been dispatched. And orders placed by 1pm are dispatched on the same day.
Shipping & Return:
We offer next-day delivery for the thyroid profile. However, please also note that the courier delivery times are out of our control and late deliveries are NOT REFUNDABLE.
Orders which are placed by 1 p.m are dispatched on the same business day.
We provide a 14-day return policy, meaning that you will have 14 days (2 weeks) after receiving your item to request a return.
To qualify for a return, please note that the product must be unused, unworn, and in original condition similar to when you had received it.
Return Address: Medicines Online, 89 Falcon Rd, London. SW11 2PF.
https://ascotpharmacy.co.uk/return-policy/
Principle IVD Regulatory Certification
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MHRA Registration Number: 10271 – Unistik Lancet
Page Quality Review:
Review Date : 28/01/2026
Reviewed By :
TSH
Nathaniel H. –
The results were delivered on my email and the turnaround time was quicker than I expected. Definitely my go-to lab for all future tests!
Sai A. –
it was a smooth process and the results came back quickly
Danielle –
I had a fantastic experience! I’ll definitely be using this lab for future testing and highly recommend them to anyone looking for reliable and caring service.
Casey X. –
Good service.
Alexandra S –
I appreciate how easy it was to access my results online!
Neao Adderley –
The results came through faster than anticipated and I was able to access them easily on my email
Evan G. –
I had an excellent experience with this lab! The staff was very professional and the process was smooth from start to finish.
Ella F. –
I’ve been using these test kits regularly to monitor my thyroid levels, and I’m so glad I made the switch. It’s incredibly convenient and saves me time.
Magdel J. –
Had an issue with the instructions but great service all around
Khan –
Great services but the best part was that I got my results within 24 hours – way faster than I expected!
Mary-Anne –
I couldn’t have asked for a better experience. The instructions for the test were super clear and easy to follow, so I had no issues at all.
Allison K. –
A top-notch lab that I trust completely!!
Jen G. –
The customer service team was friendly and they answered my questions promptly. Couldn’t ask for more!
Lauren S. –
The results came back in 2 days and I got a clear breakdown.
Dani Tashjian –
I had a great experience with this lab. Instructions were very clear and the staff was very professional and courteous.
Harry B. –
Customer service was excellent!!! They even called me to confirm everything after I received my result!! I highly recommend this lab for anyone needing quick and reliable testing!!
Isabelle Jen –
Couldn’t be happier with the service! The blood test was quick and painless and the instructions were incredibly straightforward.
Soraya H. –
The instructions were simple to understan and the test itself was completed in under 15 minutes.
Khushi L. –
I am very happy with their services. The test instructions were simple and easy to follow. My results were available the very next day!
Chelsea K. –
I was really impressed with the entire experience! The blood test was done quickly, and the instructions for how to prepare were super easy to follow.
Nicole M. –
I was looking for a quick and hassle-free blood test and this lab definitely delivered it. The instructions were easy to follow and the staff made the whole process very smooth!
Lucy –
The results came within a day plus, the customer service was amazing! They were friendly, professional, and very responsive. Highly recommend this lab!
Lea R. –
Results were good but I would suggest is improving the delivery time as I got my kit after 3 days
Tara L. –
I appreciate how fast and efficient this lab is, and I will definitely return for any future tests.
Ellen W. –
Super easy process from start to finish. The instructions for the blood test were very clear and the staff was kind and professional. Results were delayed by a day but all good.
Kendra A. –
The customer service team was incredibly helpful and answered all my questions. I’ll definitely be using them again for any future tests!
Jarrod J. –
Excellent experience!
Devon Tiby –
The only reason I’m giving 4 stars instead of 5 is that I had to wait a little longer than I expected to for the results to arrive, but everything else was perfect!
Jason M. –
Customer service team was responsive and assisted me throughout the testing process!
Rodrigo –
Medicines Online has earned my trust. Their fast delivery and responsive customer service made my experience exceptional.
Ella Doran –
We always get an amazing service from Medicines Online. They are very friendly and efficient both via email and over the phone. Results also come back fast with helpful reports from doctors. We never had an issues, highly recommend them!