THYROID STIMULATING HORMONE

Synonyms: TSH
Computer Code: (TSH)
Specimen Collection: 3 mL blood (green top preferred. Red/gold acceptable).
Minimum Volume: 1 mL
Handling Instructions for Offsite Areas: If red or gold top, allow to clot. All tube types should be centrifuged for 20 minutes and refrigerated. Serum must be removed from red top tube. Min 0.5 mL serum/plasma.
Reference Values: Greater than 1 year old: 0.45-4.50 µIU/mL. Less than 1 year old: NO RANGE ESTABLISHED for this age population. Contact the Lab Director at x23501 for consultation.
Lab Code: Chemistry
Requisition: SPEC C
Test Frequency: Daily
Routine TAT: 4 hrs
Stat TAT: 60 min
CPT Code(s): 84443
LCD or NCD:
Methodology Used:
See Addendum XVII