Lab Test Details
|
SIM |
20277 |
|
CPT |
84439 |
|
Synonyms |
Free Thyroxine |
|
Specimen Type |
Serum |
|
Container |
4.0 ml Gold-top serum separator |
|
Collection Instructions |
None |
|
Volume |
2 ml serum, minimum 0.5 ml |
|
Additional Information |
none |
|
Patient Preparation |
none |
|
Specimen Processing Instructions |
Serum: Allow to clot. Centrifuge within 2 hours of collection. |
|
Transport Requirements |
Refrigerated |
|
Specimen Stability |
Room temperature: 8 hours Refrigerated: 2 days |
|
Rejection Criteria |
If not centrifuged within 2 hours of collection. |
|
Reference Range |
0.60 – 1.76 ng/dl |
|
Critical Value |
none |
|
Test Includes |
Free T4 |
|
Methodology |
Chemiluminescent technology |
|
Testing Frequency |
Daily, Monday - Sunday |
|
|
|
|
Reviewed By |
Crystal Killian |
|
Reviewed Date |
3/18/2021 |
|
Supplemental |
|
Reviewed by Summer Brochu 11.17.21