Test Details
Mnemonic
TSHHT
Ordering Code
3400781
CPT-4 Code(s)
84443 x 2
Specimen Information
Patient Preparation
Specimen collection after fluorescein dye angiography should be delayed for at least 3 days. For patients on hemodialysis, specimen collection should be delayed for 2 weeks.
Collect
Red top
Specimen Preparation
Centrifuge, separate serum from cells and send 2.0 mL serum in a screw capped plastic vial.
Minimum Volume
1.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Serum separator tube (SST)
Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Methodology
Immunoassay
Reference Range
See report
Performing Laboratory
Quest
New York DOH Approval Status
Yes