# \#detection-limit

**URL:** https://discourse.datamethods.org/tag/detection-limit/181.md

[Latest](https://discourse.datamethods.org/latest.md) · [Categories](https://discourse.datamethods.org/categories.md) · [Tags](https://discourse.datamethods.org/tags.md)

---

## [Adjusting for UD in samples that are below LOD](https://discourse.datamethods.org/t/adjusting-for-ud-in-samples-that-are-below-lod/7123)

<div class="topic-metadata">

**Author:** [@Sudhi\_Upadhyaya](https://discourse.datamethods.org/u/Sudhi_Upadhyaya)\
**Replies:** 7\
**Last updated:** [October 19, 2023, 12:49am UTC](https://discourse.datamethods.org/t/adjusting-for-ud-in-samples-that-are-below-lod/7123 "2023-10-19T00:49:36Z")

</div>

In analyzing assay data, the steps are as follows: first , collecting urine specimens from subjects. second , these urine samples are shipped to labs that run some tests to detect the concentrations of various chemical…