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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
Are some blood hormone reference ranges age adjusted?
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<blockquote data-quote="DragonBits" data-source="post: 104947" data-attributes="member: 18023"><p>I don't think so.</p><p></p><p>I believe most blood tests in including hormone tests do NOT have a age adjusted range for adults, they have a range that covers everyone from 18-100. They do have different ranges for men and women, pregnancy, maybe a few other notes like PSA for men that have had prostate surgery.</p><p> </p><p>The Labcorp range for the often discussed total testosterone is 264-916 ng/dL. That is for all ages, so a 20 year old man that had 270 ng/dl would be considered in range the same as a 90 yr old with 270 ng/dl.</p><p> </p><p>You might disagree with that, TRT clinics will disagree, but it’s important because it dictates what insurance will do and it influences the vast majority of urologist, endocrinologist and primary care doctors.</p><p> </p><p>BUT I notice the IGF-1 hormone has a different range depending on ones age. </p><p> </p><p>So I wondered, is it ONLY IGF-1 one that has an age adjusted range? I am not sure many people will even realize their range is different depending only on their age. The lab does not note this is age adjusted.</p><p> </p><p>Reference values for IGF-1 are :</p><p> </p><p>Males:</p><p>0-11 months: 18-156 ng/mL</p><p>1 year: 14-203 ng/mL</p><p>2 years: 16-222 ng/mL</p><p>3 years: 22-229 ng/mL</p><p>4 years: 30-236 ng/mL</p><p>5 years: 39-250 ng/mL</p><p>6 years: 47-275 ng/mL</p><p>7 years: 54-312 ng/mL</p><p>8 years: 61-356 ng/mL</p><p>9 years: 67-405 ng/mL</p><p>10 years: 73-456 ng/mL</p><p>11 years: 79-506 ng/mL</p><p>12 years: 84-551 ng/mL</p><p>13 years: 90-589 ng/mL</p><p>14 years: 95-618 ng/mL</p><p>15 years: 99-633 ng/mL</p><p>16 years: 104-633 ng/mL</p><p>17 years: 107-615 ng/mL</p><p>18-22 years: 91-442 ng/mL</p><p>23-25 years: 66-346 ng/mL</p><p>26-30 years: 60-329 ng/mL</p><p>31-35 years: 54-310 ng/mL</p><p>36-40 years: 48-292 ng/mL</p><p>41-45 years: 44-275 ng/mL</p><p>46-50 years: 40-259 ng/mL</p><p>51-55 years: 37-245 ng/mL</p><p>56-60 years: 34-232 ng/mL</p><p>61-65 years: 33-220 ng/mL</p><p>66-70 years: 32-209 ng/mL</p><p>71-75 years: 32-200 ng/mL</p><p>76-80 years: 33-192 ng/mL</p><p>81-85 years: 33-185 ng/mL</p><p>86-90 years: 33-179 ng/mL</p><p>>91 years: 32-173 ng/mL</p></blockquote><p></p>
[QUOTE="DragonBits, post: 104947, member: 18023"] I don't think so. I believe most blood tests in including hormone tests do NOT have a age adjusted range for adults, they have a range that covers everyone from 18-100. They do have different ranges for men and women, pregnancy, maybe a few other notes like PSA for men that have had prostate surgery. The Labcorp range for the often discussed total testosterone is 264-916 ng/dL. That is for all ages, so a 20 year old man that had 270 ng/dl would be considered in range the same as a 90 yr old with 270 ng/dl. You might disagree with that, TRT clinics will disagree, but it’s important because it dictates what insurance will do and it influences the vast majority of urologist, endocrinologist and primary care doctors. BUT I notice the IGF-1 hormone has a different range depending on ones age. So I wondered, is it ONLY IGF-1 one that has an age adjusted range? I am not sure many people will even realize their range is different depending only on their age. The lab does not note this is age adjusted. Reference values for IGF-1 are : Males: 0-11 months: 18-156 ng/mL 1 year: 14-203 ng/mL 2 years: 16-222 ng/mL 3 years: 22-229 ng/mL 4 years: 30-236 ng/mL 5 years: 39-250 ng/mL 6 years: 47-275 ng/mL 7 years: 54-312 ng/mL 8 years: 61-356 ng/mL 9 years: 67-405 ng/mL 10 years: 73-456 ng/mL 11 years: 79-506 ng/mL 12 years: 84-551 ng/mL 13 years: 90-589 ng/mL 14 years: 95-618 ng/mL 15 years: 99-633 ng/mL 16 years: 104-633 ng/mL 17 years: 107-615 ng/mL 18-22 years: 91-442 ng/mL 23-25 years: 66-346 ng/mL 26-30 years: 60-329 ng/mL 31-35 years: 54-310 ng/mL 36-40 years: 48-292 ng/mL 41-45 years: 44-275 ng/mL 46-50 years: 40-259 ng/mL 51-55 years: 37-245 ng/mL 56-60 years: 34-232 ng/mL 61-65 years: 33-220 ng/mL 66-70 years: 32-209 ng/mL 71-75 years: 32-200 ng/mL 76-80 years: 33-192 ng/mL 81-85 years: 33-185 ng/mL 86-90 years: 33-179 ng/mL >91 years: 32-173 ng/mL [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
Are some blood hormone reference ranges age adjusted?
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