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1.10 ng/dL
Sep 18, 2026, Labcorp. 2 results in this record.
Judged against the usual range for this sex and age. The lab’s own range wasn’t on the report. The open ring is the result before this one.
That's within the usual test-to-test variation for Free T4, which can be about 18% either way.
Different labs: the earlier result is from Quest Diagnostics and this one from Labcorp. Labs measure a little differently, so part of a change can come from that.
Free T4 has been in the usual range at all 2 tests since Oct 2024.
Use the left and right arrow keys to read each result. The buttons above choose how much time to show and what to draw. Every result is also listed in the table below.
In the usual range Above BelowNormal variation from the result before
AI assistant. It answers from this record’s own numbers and can still make mistakes, so check important details against the report. It doesn’t diagnose.
Each test is drawn by where it sits in its own usual range, so tests in different units share one chart. The shaded band is the usual range for each. Pick up to four.
Free T4TSH