Difference between revisions of "Common on-call topics in clinical pathology"

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==Suspected falsely low TSH==
 
==Suspected falsely low TSH==
 
If a clinician thinks a TSH result is falsely low (generally signs of hypothyroidism but TSH is not elevated), first check with the lab if their TSH assay is susceptible to high patient biotin levels, and if it is, ask the clinician if the patient takes biotin supplementation, which can explain the low TSH levels.
 
If a clinician thinks a TSH result is falsely low (generally signs of hypothyroidism but TSH is not elevated), first check with the lab if their TSH assay is susceptible to high patient biotin levels, and if it is, ask the clinician if the patient takes biotin supplementation, which can explain the low TSH levels.
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{{Bottom}}

Latest revision as of 15:30, 9 November 2021

Author: Mikael Häggström [notes 1]

Topics with individual articles

Suspected falsely low TSH

If a clinician thinks a TSH result is falsely low (generally signs of hypothyroidism but TSH is not elevated), first check with the lab if their TSH assay is susceptible to high patient biotin levels, and if it is, ask the clinician if the patient takes biotin supplementation, which can explain the low TSH levels.

Notes

  1. For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Patholines:Authorship for details.

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References