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 |