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Newborn screening test (NST)
| GC Labs code | W707 | Test Field | Metabolism |
|---|
Information
| Test method | LC-MS/MS (Liquid chromatography-MS/MS) & FIA (Fluorescence immunoassay) |
|---|---|
| Specimen (mL) | Blood paper 4 hole |
| Specimen storage | Ambient |
| Specimen stability | - |
| Test schedule | Mon-Fri |
| Analytical time (day) | 2 |
| Reference range/Unit | Newborn screening test (NST) [Blood Paper] See comments in the report ========================== NST TSH [Blood Paper] Normal birth weight infant (≥ 2.50 kg): < 9.9 Low birth weight infant (< 2.50 kg): < 9.1 (μIU/mL) NST 17α-OH Progesterone [Blood Paper] Normal birth weight infant (≥ 2.50 kg): < 6.0 Low birth weight infant (< 2.50 kg): < 16.6 (ng/mL) NST Total Galactose [Blood Paper] Normal birth weight infant (≥ 2.50 kg): < 9.8 Low birth weight infant (< 2.50 kg): < 8.4 (mg/dL) Newborn screening test [LC-MS/MS] [Blood Paper] See comments in the report |
|---|---|
| Clinical Significance | |
| Compulsory forms | |
| Remark | 1. Unsuitable specimen ① Specimen that is not completely dried ② Specimen collected from hands with hand cream on them ③ Specimen whose back side collected in a specimen hole is not sufficiently wet ④ Specimen from which tissue fluid has come out 2. T4 test is performed only when the primary TSH result corresponds to the threshold (reference value -15%) 3. The test cannot be requested within 3 days after collection, keep the specimen refrigerated or frozen 4. Record body weight |