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Hypothyroidism: Investigation and Monitoring
Scope
Symptomatic patients may benefit from reducing TSH below 1.0mU/L, but avoid suppressing TSH below the reference range.
Out of scope
Guidance not applicable for secondary hypothyroidism due to pituitary or hypothalamic disorders (FT4 rather than TSH should be used for monitoring), thyroid cancer (may need to suppress TSH level) or pregnancy (need to keep TSH below 2.5mU/L)
Annually
- Blood - TSH
Evidence
Expert opinion – Dr Bijay Vaidya, Consultant Physician, Royal Devon and Exeter Hospital
Pathway Group
This guideline has been signed off by Pathology Optimisation Clinical Group on behalf of NHS Devon.
Publication date: April 2017
