What causes high FT3 thyroid and low MCHC?

High FT3 thyroid and low MCHC can be caused by many reasons.

If your FT3 thyroid is in between 2.3 pg/mL and 4.2 pg/mL and your MCHC is in between 31.5 g/dL and 34.5 g/dL then you need not worry as these are the normal ranges for FT3 thyroid and MCHC respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of FT3 thyroid : 2.3 - 4.2 pg/mL

Ideal values of FT3 thyroid depending on age :

Age	Ideal FT3 thyroid value
<5 years	2.371
5-10 years	2.444
10-15 years	2.519
15-20 years	2.596
20-25 years	2.676
25-30 years	2.758
30-35 years	2.843
35-40 years	2.93
40-45 years	3.02
45-50 years	3.113
50-55 years	3.209
55-60 years	3.308
60-70 years	3.41
70-80 years	3.515
80-90 years	3.623
90-100 years	3.734
>100 years	3.849

*Ideal values are calculated based on our database of patient records

If you want your blood test report to be interpreted by FT3 thyroid specialist, then you can upload your report. Our FT3 thyroid expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

1,37,160

Total number of patients treated

Some examples of conditions that increase or decrease FT3 thyroid levels include:

• Thyroiditis
• A non-functioning thyroid gland
• Autoimmune disease
• Diabetes
• Liver disease

If you want your blood test report to be interpreted by FT3 thyroid specialist, you can upload your report. Our FT3 thyroid expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

Normal range of MCHC : 31.5 - 34.5 g/dL

Ideal values of MCHC depending on age :

Age	Ideal MCHC value
<5 years	32.467
5-10 years	33.464
10-15 years	34.491
15-20 years	34.459
20-25 years	34.427
25-30 years	34.395
30-35 years	34.363
35-40 years	34.331
40-45 years	34.299
45-50 years	34.267
50-55 years	34.235
55-60 years	34.203
60-70 years	34.171
70-80 years	34.139
80-90 years	34.107
90-100 years	34.075
>100 years	34.043

High FT3 thyroid and low MCHC can be caused by a lot of reasons. If you take FT3 thyroid and MCHC blood tests and the results are higher than 4.2 pg/mL for FT3 thyroid and lower than 31.5 g/dL for MCHC, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the FT3 thyroid and MCHC Tests Are Done :

If your doctor wants FT3 thyroid and MCHC tests on you, you may need to go through these tests. During the FT3 thyroid and MCHC blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your FT3 thyroid and MCHC Test reports by your pathologist.

Medical References

• MedlinePlus – Triiodothyronine (T3) Tests
• Cleveland Clinic – Triiodothyronine (T3) Test: What It Is, Function & Levels
• MedlinePlus – T3 test
• WebMD – T3 Tests: T3 Uptake Levels, Common Thyroid Conditions, and More
• NIH – How to interpret thyroid function tests