CTX by age and sex
How the usual range for CTX changes with age and sex, as labs print it.
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The usual range at every age
The reference range labs print, for each age group. Ranges differ a little between labs, so the range on your own report is the one your result is judged against.
Use the left and right arrow keys to step through the age groups. Every range is also in the table below.
| Who | Usual range |
|---|---|
| Women, 0.5–6 | 500–1,800 pg/mL |
| Women, 7–9 | 566–1,690 pg/mL |
| Women, 10–12 | 503–2,077 pg/mL |
| Women, 13–15 | 160–1,590 pg/mL |
| Women, 16–17 | 167–933 pg/mL |
| Men, 0.5–6 | 500–1,700 pg/mL |
| Men, 7–9 | 522–1,682 pg/mL |
| Men, 10–12 | 553–2,071 pg/mL |
| Men, 13–15 | 485–2,468 pg/mL |
| Men, 16–17 | 276–1,546 pg/mL |
| Men, 18–29 | 238–1,019 pg/mL |
| Men, 30–39 | 225–936 pg/mL |
| Men, 40–49 | 182–801 pg/mL |
| Men, 50–59 | 161–737 pg/mL |
| Men, 60–69 | 132–752 pg/mL |
| Men, 70+ | 118–776 pg/mL |
Sources: ARUP Laboratories, Endocrine Reviews