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TSH dilution test in the 59-year old female patient on 88 μg of L-T4 daily
| Dilution | TSH | FT4 | FT3 | Reference Range |
|---|---|---|---|---|
| none |
4.37 |
6.61 |
5.57 |
TSH 0.27-4.2 μIU/ml (Roche®) |
| |
|
|
|
FT4 0.93-1.7 ng/ml (Roche®) |
| |
|
|
|
FT3 2.6-4.4 pg/ml (Roche®) |
| 1:5 |
0.885 |
- |
- |
|
| Calculated TSH | 5 x 0.885=4.42 (101.1% recovery) | - | - |
