Age- and sex-adjusted reference intervals for steroid hormones measured by liquid chromatography–tandem mass spectrometry using a widely available kit
Open accessAbstract
Objective: Measurements utilizing commercially available sets of reagents for determination of steroid hormone profiles by liquid chromatography-tandem mass spectrometry (LC-MS/MS) have become increasingly important for routine laboratories. However, method-specific publications of reference intervals obtained from sufficiently large studies are often missing. Methods: After validation of performance characteristics, a widely available kit for steroid analysis by LC-MS/MS was used to measure concentrations of 15 endogenous steroids (aldosterone, cortisol, cortisone, corticosterone, 11-deoxycortisol, 21-deoxycortisol, dehydroepiandrosterone sulfate, estradiol, testosterone, androstenedione, dihydrotestosterone, dehydroepiandrosterone, 17-hydroxyprogesterone, 11-deoxycorticosterone, progesterone) in more than 500 blood samples from a population-based study. While randomly selected from a larger cohort, the samples equally represented both sexes and covered a wide range of adult age groups. Age- and sex-specific reference intervals were calculated, and correlation with BMI was assessed. Results: Performance characteristics of the assay matched expectations for 9 of 15 steroids. For most of them, reference intervals obtained from our study population were comparable to those reported by others, with age and sex being the major determinants. A sex-specific correlation with BMI was found for seven steroids. We identified limitations regarding sensitivity of the method for quantification of progesterone in males and postmenopausal females. Concentrations of aldosterone, 21-deoxycortisol, estradiol, 11-deoxycorticosterone, and dihydrotestosterone could not be quantified in a large percentage of samples. Conclusions: The reference intervals for nine steroids will support meaningful interpretation for steroid profiles as measured by a widely used kit for LC-MS/MS-based quantification. Laboratories using such kits must be aware of potential limitations in sensitivity for some steroids included in the profile. Significance Statement: Quantification of steroid hormones is a cornerstone for diagnosis of several diseases. Commonly used immunoassays have limitations in specificity. Liquid chromatography-tandem mass spectrometry (LC-MS/MS) is a promising alternative, particularly if methods are harmonized across laboratories. The use of kits from commercial suppliers might support this. Clinical interpretation of steroid concentrations requires availability of appropriate reference intervals (RIs), but studies on RIs reported in the literature differ in preanalytical and analytical procedures. Here, we provide RIs for steroids measured by a widely available kit under preanalytical conditions mirroring common clinical practice. Such RIs might facilitate interpretation for those using the same method and comparable conditions in clinical routine.
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Several sensitive and robust LC-MS/MS methods for multiple steroids have been developed in recent years and many methods meet the requirements for clinical applications.
“Several sensitive and robust LC-MS/MS methods for multiple steroids have been developed in recent years and many methods meet the re quirements for clinical applications [5 -16].”
From Sex- and age-specific reference intervals of 16 steroid metabolites quantified simultaneously by LC-MS/MS in sera from 2458 healthy subjects aged 0 to 77 years (2024) · cites this paper as [14]
The Introduction describes a commercially available LC-MS/MS kit for measuring 15 steroids, and the Conclusion says it performs adequately for some steroids. This supports the paper as an example of a multi-steroid method, but it does not establish that many methods meet clinical requirements. The Discussion also reports limited sensitivity for six steroids in the kit; page numbers were not available in our copy. (LLM, conf=0.84)
Experimental — accuracy not yet measuredPreviously published methods including multiple steroid metabolites used larger sample volumes (150-500 μL) and/or longer total run-times (13.5-17 min).
“Previously published methods including multiple steroid metabolites used either larger sample volumes from 150-500 µ L and/or longer total rum-times from 13.5-17 min. [5,7,9,14,22].”
From Sex- and age-specific reference intervals of 16 steroid metabolites quantified simultaneously by LC-MS/MS in sera from 2458 healthy subjects aged 0 to 77 years (2024) · cites this paper as [14]
The Materials and methods section (Laboratory measurements; page unavailable) describes a multi-steroid assay using 500 µL of sample, supporting one endpoint of the stated volume range. The passages do not establish a 150 µL method or a total run time of 13.5–17 minutes for this method. (LLM, conf=0.86)
Experimental — accuracy not yet measuredReference intervals have been published for five to nine adrenal and androgenic steroids in men and women.
“and five to nine adrenal and androgenic steroids in men and women [8,13,14,21]”
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- Authors
- Kunz, S., Wang, X., Ferrari, U., Drey, M., Theodoropoulou, M., Schilbach, K., Reincke, M., Heier, M., Peters, A., Koenig, W., Zeller, T., Thorand, B., & Bidlingmaier, M.
- Affiliations
- Ludwig-Maximilians-Universität München (DE)
- Department of Medicine IV, University Hospital, Ludwig Maximilian University Munich, Munich, Germany
- University Hospital Augsburg (DE)
- Helmholtz Munich (DE)
- German Centre for Cardiovascular Research (DZHK), Partner site Munich Heart Alliance, Munich, Germany
- Universität Hamburg (DE)
- Corresponding author
- Bidlingmaier, Martin
- ORCID
- Venue
- Endocrine Connections
- Publisher
- Bioscientifica
- Published
- 2023-11-08
- Volume
- 13
- Issue
- 1
- ISSN
- 2049-3614 (ISSN-L)
- PMC
- PMC10762560
- OpenAlex
- W4388489371
- Cited by
- 14
- References
- 39
- Citations by year
- 2026: 6 · 2025: 3 · 2024: 4 · 2023: 1
- FWCI
- 2.49
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Endocrine Connections (publishedVersion, cc-by-nc)
- PubMed Central (publishedVersion, cc-by-nc)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- PuSH - Publication Server of Helmholtz Zentrum München (submittedVersion, cc-by-nc)
- Funders
- Deutsches Zentrum für Herz-Kreislaufforschung
- European Commission (HORIZON2020, 694913)
- Deutsche Forschungsgemeinschaft (314061271, BMBF FKZ 01ET0713)
- Bundesministerium für Bildung und Forschung (BMBF FKZ 01ET0713, FKZ 01ET0713, 01ET1003A, 01ET0713)
- Helmholtz Zentrum München (FKZ 01ET0713)
- Topics
- Health Sciences › Medicine › Physiology › Clinical Laboratory Practices and Quality Control
- Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adrenal Hormones and Disorders
- Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Hormonal and reproductive studies
- Keywords
- endogenous steroid hormones, liquid chromatography-tandem mass spectrometry, commercial assay kits, assay performance, body mass index, aldosterone, cortisol, estradiol, testosterone, dihydrotestosterone, dehydroepiandrosterone sulfate, 17-hydroxyprogesterone, deoxycorticosterone, 21-deoxycortisol, 11-deoxycortisol
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