Thyroid CDS
Evidence-Based Clinical Tool

Thyroid Disorders
Clinical Decision Support

Interactive clinical assessment tool for hypothyroidism, hyperthyroidism, and thyroid nodules. Enter patient labs below or select a condition to begin a full clinical assessment.

ATA 2016BTA 2015/2026ETA 2018
Thyroid anatomy illustration

Quick Lab Interpretation

Enter thyroid function tests to determine the pattern and proceed to the appropriate pathway

mIU/L

Required — first-line test

pmol/L

Confirms hypo/hyperthyroidism

pmol/L

Detects T3 thyrotoxicosis

IU/mL

Hashimoto's thyroiditis marker

IU/L

Graves disease marker (97% sensitivity)

Select a Condition

Hypothyroidism

Hypothyroidism

Interactive assessment for primary, subclinical, and central hypothyroidism with levothyroxine dosing guidance.

Sources: ATA 2016, BTA 2015/2026, ETA 2018

Hyperthyroidism

Hyperthyroidism

Graves disease, toxic nodular disease, thyroiditis. Includes Burch-Wartofsky thyroid storm calculator.

Sources: ATA 2016, ETA 2018

Thyroid Nodules

Thyroid Nodules

U-classification, FNAC interpretation, malignancy risk stratification, and management pathways.

Sources: ATA 2015, BTA/RCR 2026

Key Reference Ranges

TSH0.4 – 4.0 mIU/L
Free T412 – 22 pmol/L
Free T33.1 – 6.8 pmol/L
TPO Antibodies<35 IU/mL
TRAb<1.75 IU/L

Emergency Red Flags

Thyroid Storm

Fever + tachycardia >130 + altered mental status

Myxedema Coma

Hypothermia + altered consciousness + bradycardia

Agranulocytosis

Fever + sore throat on thionamides → Stop drug, urgent FBC