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HelpTSH Algorithm Monitoring
Collection Requirements
Source: blood
Container(s):
- Preferred Red gel
- Acceptable: Red
Volume: 1 mL in vacutainer
Turn Around Time
2-4 hours
Availability
Routine
Algorithm
Algorithm starts with TSH
- If TSH is normal, no further testing
- If TSH is low or high, Free T4
Lab Processing Instructions
Specimen: serum
Spin, separate, and refrigerate
Performing Laboratory
Adele Hall
Adele Hall Lab Section
Chemistry
Instrumentation/Methodology
Vitros
Additional Information
For patient’s ≥ 2-years without known or suspected pituitary disease
Reference Ranges
See individual tests
CPT
84443
84439 (if appropiate)