Thyroid Testing Algorithm.

Thyroid Testing Algorithm.

Thyroid Testing Algorithm. - Flowchart Thyroid Disorders Thyroid Disorders

«Flowchart»

Serum TSH

Serum TSH

Serum TSH

Hyperthyroidism

Hyperthyroidism

Hyperthyroidism

Free T4

Free T4

Free T4

No further testing

No further testing

No further testing

Free T4

Free T4

Free T4

Subclinical hypothyroidism

Subclinical hypothyroidism

Subclinical hypothyroidism

Primary hypothyroidism

Primary hypothyroidism

Primary hypothyroidism

Free T3

Free T3

Free T3

Subclinical hyperthyroidism

Subclinical hyperthyroidism

Subclinical hyperthyroidism

Hyperthyroidism

Hyperthyroidism

Hyperthyroidism

Elevated

Elevated

Elevated

Normal

Normal

Normal

Suppressed

Suppressed

Suppressed

Normal

Normal

Normal

Low

Low

Low

Normal

Normal

Normal

Elevated

Elevated

Elevated

End

End

End

Normal

Normal

Normal

Elevated

Elevated

Elevated