UCH University of Colorado Hospital Clinical Laboratory - Core (Chemistry) UCHealth Cherry Creek Medical Center Laboratory
Collect
UCH Lab:
Preferred: One 4.5 mL Green top with gel (PST), lithium heparin plasma. Tube must filled to at least 90 % capacity.
Acceptable: Red or Gold with Gel serum separator tube (SST) or Plain Red (no Gel)
Cherry Creek Lab:
4.5 mL Gold or Red Serum Separator Tube (SST)
Also acceptable:
Plain Red, no gel
Minimum volume: 0.5 mL serum
Unacceptable Conditions
Grossly hemolyzed samples
EDTA anticoagulant or other incorrect container
Sample not properly identified
Insufficient sample volume
Improperly stored
Storage/Transport Temperature
Internal: Deliver to lab immediately at ambient temperature. Offsite: Centrifuge withinn 30 minutes of collection and transport to lab at 2-8 degrees C.
Performed
Daily
Stability (from collection to initiation)
After centrifugation:
Ambient, 8 hours
Refrigerated, 7 days
Plasma/serum aliquot:
Frozen (-20 degrees C), 4 weeks
Notes
If the TSH result is abnormal, Thyroxine (T4), Free (LAB127) will also be performed and reported.
Performed
Daily
Methodology
Chemiluminescent EIA
Reported
Same day
Synonyms
Thyroid Stimulating Hormone Reflexive
CCMC LAB3787
EPIC Code
LAB3787
Reference Interval
Age
Reference Interval
0 - 3 days
1.000 - 20.000 mIU/L
3 - 30 days
0.500 - 6.500 mIU/mL
30 days - 6 months
0.500 - 6.000 mIU/L
6 months - 19 years
0.500 - 4.500 mIU/mL
19 years and over
0.465 - 4.680 mIU/L
CPT Codes
84443 (TSH); 84439 (Free T4) if reflexed.
Collection
EPIC Code
LAB3787
Performing Lab
UCH University of Colorado Hospital Clinical Laboratory - Core (Chemistry) UCHealth Cherry Creek Medical Center Laboratory
Collect
UCH Lab:
Preferred: One 4.5 mL Green top with gel (PST), lithium heparin plasma. Tube must filled to at least 90 % capacity.
Acceptable: Red or Gold with Gel serum separator tube (SST) or Plain Red (no Gel)
Cherry Creek Lab:
4.5 mL Gold or Red Serum Separator Tube (SST)
Also acceptable:
Plain Red, no gel
Minimum volume: 0.5 mL serum
Unacceptable Conditions
Grossly hemolyzed samples
EDTA anticoagulant or other incorrect container
Sample not properly identified
Insufficient sample volume
Improperly stored
Storage/Transport Temperature
Internal: Deliver to lab immediately at ambient temperature. Offsite: Centrifuge withinn 30 minutes of collection and transport to lab at 2-8 degrees C.
Performed
Daily
Stability (from collection to initiation)
After centrifugation:
Ambient, 8 hours
Refrigerated, 7 days
Plasma/serum aliquot:
Frozen (-20 degrees C), 4 weeks
Notes
If the TSH result is abnormal, Thyroxine (T4), Free (LAB127) will also be performed and reported.
