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Test Code LAB129 Thyroid Stimulating Hormone

Additional Codes

TSH

Collection:

Specimen: Blood 

Preferred: Lt Green w/ Gel - Li Hep

Acceptable: SST or Red Top

Specimen Volume: 5 mL; Minimum 1.5 mL

 

Pediatric Collection:

Two Lt Green w/ Gel - Li Hep, SST, or Red Top microtainer filled to 600 uL.

Stability:

If testing is delayed more than 24 hours, remove serum/plasma from the cells or gel separator.  Once serum/plasma is separated from cells:

 

Ambient: 8 Hours

Refrigerated (preferred): 1 Week

Frozen: 2 Weeks

Turnaround Time (TAT):

STAT: 2 HOURS

Routine: 3 HOURS

Test Availability:

Daily / 24 Hours / Available STAT

Performing Laboratory Section:

Chemistry / UMC MAIN LABORATORY

Reference Interval:

Age Female Male
< 2 months 1.12 - 5.50 mIU/L 1.12 - 6.31 mIU/L
2 months - < 1 year 1.12 - 4.47 mIU/L 0.96 - 4.90 mIU/L
1 year - < 2 years 1.00 - 4.37 mIU/L 0.93 - 4.79 mIU/L
2 years - < 5 years 0.85 - 4.07 mIU/L 0.83 - 4.37 mIU/L
5 years - < 10 years 0.89 - 4.07 mIU/L 0.81 - 4.07 mIU/L
   10 years - < 15 years       0.67 - 3.72 mIU/L       0.79 - 3.98 mIU/L   
15 years - < 20 years 0.47 - 3.63 mIU/L 0.55 - 3.55 mIU/L
>  20 years 0.35 - 4.94 mIU/L 0.35 - 4.94 mIU/L