Thyroid Stimulating Hormone, Ultrasensitive TSHU

Method(s) Chemiluminescent Immunoassay
Specimen Required
Collect

One 5 mL gold (SST) top tube. Also acceptable: Lithium heparin plasma, EDTA plasma

Transport

1 mL serum at 2-8°C (Min: 0.5 mL)

Stability

Ambient: 24 hours; Refrigerated: 2 days; Frozen: 14 days

Schedule Daily
Billing Code 1010107
CPTCode 84443
Notes See also Thyroid Cascade and TSH with Reflex to Free T4
Preferred Specimen Collection Device(s)
Reference Interval
AgeRange
21 years and older0.550 - 4.780 mIU/L
13 - 20 years0.480 - 4.170 mIU/L
2 - 12 years0.670 - 4.160 mIU/L
0 - 1 year*0.870 - 6.150 mIU/L

* Reference range is applicable for infants 30 days and older. Neonatal reference range has not been established for this method.


No Appointment Necessary
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12 Patient Service Centers in Central New York.

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