Hormones · µg/L
IGF-1
IGF-1 (insulin-like growth factor 1) is made in the liver under the influence of growth hormone (GH). It is a stable marker of the average activity of the GH–IGF-1 axis.
Ranges we useJCEM / Endocrine Connections (Roche VARIETE)
| Rating | Range | What it means |
|---|---|---|
| No rating | Any value µg/L | IGF-1 is not rated against a single threshold: it falls steeply with age and differs by sex. Read the result against your lab's age- and sex-specific range; a marked deviation should be assessed by a doctor. |
Source: JCEM / Endocrine Connections (Roche VARIETE) · Bidlingmaier M et al., JCEM 2014;99:1712–21 (IDS-iSYS, ~15,000 people) + Sabbah N et al. (VARIETE, Roche Elecsys), Endocr Connect 2021;10(9) · 2021 · open
Read together with
Fasting glucose · HbA1c · TSH
This content is for information only and is not a substitute for medical advice. Talk to your doctor about your results.
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