Goals and conditions · Condition
Hypothyroidism
ICD-10-CM E03.9
An underactive thyroid that makes too little thyroid hormone.
Biomarkers
Start with the primary markers, then add the companions that change how the primary result reads. Each link cites its source.
T4,Free(Direct)Primary marker
NICE measures free thyroxine in the same sample when TSH is above the reference range.
Tests: Labcorp 3, Quest Diagnostics 1, with ranges on the biomarker page
TSHPrimary marker
ATA uses serum TSH to adjust the levothyroxine dose, typically targeting 0.5 to 3.5 or 4 mIU/L.
Tests: Labcorp 17, Quest Diagnostics 11, with ranges on the biomarker page
TSHPrimary marker
ATA uses serum TSH to adjust the levothyroxine dose, typically targeting 0.5 to 3.5 or 4 mIU/L.
Tests: Labcorp 17, Quest Diagnostics 11, with ranges on the biomarker page
Thyroid Peroxidase AntibodyCompanion marker
NICE considers measuring TPO antibodies once for adults with TSH above the reference range.
Tests: Labcorp 6, Quest Diagnostics 9, with ranges on the biomarker page
Thyroid Peroxidase AntibodyCompanion marker
NICE considers measuring TPO antibodies once for adults with TSH above the reference range.
Tests: Labcorp 6, Quest Diagnostics 9, with ranges on the biomarker page
Related
Sources
We list which biomarkers a named source connects to this condition; we do not diagnose it. Interpret your own results with a licensed clinician, or track them in Aumnivida.