TSH, Reflex Grand Itasca

Sunquest Code:GHTSHR  
Epic Code:LAB8082Epic Name:TSH, Rflex GH
Synonyms:TFT; Thyroid Stimulating Hormone; Thyrotropin
Turnaround Time:Performed and reported 24 hours/day

Collection Instructions

Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Green (lithium heparin, gel) (Red (no gel), Red or gold (gel))
Contraindications:Large doses of biotin (10 mg or more per day) may cause clinically significant interference in prolactin levels. If interference is suspected, it is strongly recommended that biotin is discontinued for at least one week prior to retesting.

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1.25 mL. 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:7 days refrigerated; indefinitely frozen.
Test Performed at or Referral Lab Chemistry  (Grand Itasca GICH)


Reference Range:
TSH 0.45-5.33 IU/mL
FT4 0.34-5.60 ng/dL
Use:Evaluate thyroid function in people with intact pituitary glands.

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