Repeated Measurements of Vitamin D: Common and Very Unlikely to Indicate Deficiency

Mark J Bolland; Cam Kyle; Andrew Grey

doi:10.1111/cen.70145

April 15, 2026Clinical Endocrinology

Repeated Measurements of Vitamin D: Common and Very Unlikely to Indicate Deficiency

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Key Points

The study aims to evaluate the frequency of vitamin D testing and its correlation with actual deficiencies.
Analyzed frequency of vitamin D tests conducted in a clinical setting.
Identified instances of low vitamin D levels from the test results.
Assessed the effectiveness of limiting tests to those at risk of deficiency.
Most repeated tests show adequate vitamin D levels.
Limiting tests may reduce unnecessary vitamin D assessments.
Targeting at-risk populations can enhance testing efficiency.

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Implication

Analysis shows repeated vitamin D tests reveal few deficiencies, suggesting better targeting could reduce unnecessary testing.

Abstract

Repeated vitamin D testing is common, and most results are not low. Restricting test availability and targeting those at risk of clinical complications of vitamin D deficiency are likely to reduce unnecessary tests.

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Cite This Study

Bolland et al. (2026) studied this question.

synapsesocial.com/papers/69e1d0165cdc762e9d8592f8 https://doi.org/10.1111/cen.70145

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Repeated Measurements of Vitamin D: Common and Very Unlikely to Indicate Deficiency

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Repeated Measurements of Vitamin D: Common and Very Unlikely to Indicate Deficiency

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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