Test Details
Mnemonic
ATSHR
Ordering Code
3000316
CPT-4 Code(s)
83520
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Clot specimen completely at room temperature. Centrifuge and separate seerum from cells within 1 hour of collection. Send 1.0 mL serum in a screw capped plastic vial.
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Heat-inactivated samples; samples stabilized with azide; specimens other than serum
Stability
Room temperature: 7 hours
Refrigerated: 6 days
Frozen: 1 year
Refrigerated: 6 days
Frozen: 1 year
Methodology
Electrochemiluminescence Immunoassay (ELCIA)
Reference Range
<=1.75 IU/L
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes