Thyroid stimulating hormone-258
Test info
Thyroid stimulating hormone
258
84443.1
TSH
Thyrotropin
Thyrotropic hormone
TSH
TSH sensitive
Thyrotropic hormone
TSH
TSH sensitive
Specimen
Lithium heparin (Li hep) plasma
2.0 mL
0.2 mL
Immediately follow collection, mix sample by inverting 8 - 10 times to prevent clotting
Spin within two (2) hours of sample collection
Lt green plasma separator (PST)
Serum
Immediatley following collection, mix sample by inverting 5 times
Gold:
- Allow sample to clot for a minimum of 30 minutes
- Spin within two (2) hours of sample collection
Red:
- Allow sample to clot
- Spin
- Transfer serum to a False bottom plasma/serum transport vial/tube (AHL), labelled as serum, within two (2) hours of sample collection
Refrigerated (preferred) - 14 days
Ambient - 8 days
Frozen - 24 months
- Improper labels (unlabeled or mislabeled)
- Hemolysis (some procedures)
- Improper anticoagulant or ratio
- Delay in transport
- Improper storage temperature affecting results
- Inappropriate timing of collection
- Improper container
- Leaking container resulting in compromised specimen
- Quantity not sufficient (QNS)
Performance
AHL - Chemistry: C
Daily
1 day
Electrochemiluminescence immunoassay (ECLIA)
Clinical and Interpretive info
0.270 - 4.20 µIU/mL
Billing
84443
Yes
Tracking
11/30/2001
12/26/2022
01/04/2024