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Also reported in: U/mL
Your anti-TG is in the normal range. This is a reassuring finding for autoimmune thyroid disease surveillance.
No anti-thyroglobulin antibodies were detected. Anti-TG is a marker for autoimmune thyroid disease (Hashimoto's and Graves'). A negative result is reassuring for thyroid autoimmune health.
No action needed.
Anti-TG: negative — no anti-thyroglobulin antibodies detectedYour anti-TG is within the normal reference range. This is a reassuring result. Note that anti-TG positivity can interfere with thyroglobulin measurements used in thyroid cancer surveillance.
No action needed.
Anti-TG: negative — within reference rangeYour anti-TG is at a low-normal level with no clinically significant thyroid autoimmunity.
No action needed.
Anti-TG: low-normal — no clinically significant antibodyYour anti-TG is in the normal range. This is a reassuring finding for autoimmune thyroid disease surveillance.
No specific action required.
Anti-TG: negative — normal baselineYour anti-TG is in the optimal range with no significant thyroglobulin antibody.
No action needed.
Anti-TG: optimal — minimal thyroid antibodyYour anti-TG is mildly above the reference range. Mild elevation can occur in Hashimoto's thyroiditis, Graves' disease, thyroid cancer, and occasionally in healthy individuals. At this level, thyroid function testing is warranted.
Discuss with your doctor. TSH (the signal hormone your brain sends to your thyroid), free T4 (the main thyroid hormone in your blood), and anti-TPO testing should be arranged. Monitor thyroid function annually.
Anti-TG 20–50 IU/mL — borderline elevated; thyroid autoimmunity possibleYour anti-TG is noticeably elevated, strongly suggesting autoimmune thyroid disease (Hashimoto's thyroiditis or Graves' disease). Elevated anti-TG also interferes with thyroglobulin measurements used in thyroid cancer surveillance, which must be accounted for in thyroid cancer follow-up.
Seek endocrinology evaluation. Thyroid function tests, thyroid ultrasound, and clinical assessment are recommended. If you are being monitored for thyroid cancer, your oncologist must be informed as anti-TG interferes with thyroglobulin testing.
Anti-TG >50 IU/mL — elevated; Hashimoto's thyroiditis or Graves' disease likelyYour anti-TG is very high, confirming active autoimmune thyroid disease. This level noticeably interferes with thyroglobulin tumor marker measurements and indicates substantial thyroid autoimmune activity.
Seek specialist endocrinology evaluation. Comprehensive thyroid function assessment and ultrasound are urgently needed. Thyroid hormone replacement therapy may be indicated.
Anti-TG >500 IU/mL — very high; active autoimmune thyroid disease confirmedUpload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.