# Broad laboratory testing does not show utility for telogen effluvium: A retrospective analysis of 22-million laboratory results using TriNetX

**Authors:** Zachary J.K. Neubauer, Shari R. Lipner

PMC · DOI: 10.1016/j.jdin.2025.12.013 · 2026-01-10

## Full-text entities

- **Genes:** SLC17A5 (solute carrier family 17 member 5) [NCBI Gene 26503] {aka AST, ISSD, NSD, SD, SIALIN, SIASD}
- **Diseases:** hair loss (MESH:D000505)
- **Chemicals:** creatinine (MESH:D003404), calcium (MESH:D002118), iron (MESH:D007501), testosterone (MESH:D013739), dehydroepiandrosterone sulfate (MESH:D019314), TE (-), vitamin D (MESH:D014807), zinc (MESH:D015032)
- **Species:** Homo sapiens (human, species) [taxon 9606]

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Source: https://tomesphere.com/paper/PMC12924176