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THYROID STIMULATING IMMUNOGLOBULINS
Number 269
CPT Code 84445
Alias THYROID STIMULATING IMMUNOGLOBULIN, HUMAN THYROID STIMULATOR (HTS), LONG-ACTING THYROID STIMULATOR (LATS), THYRETAIN
Specimen Container SST
Specimen Type Serum
Turn Around Time
Days Performed
Reference Range <140%
Alternate Specimen Red Top
Volume 3 mL Serum
Stability Ambient N/A
Stability Refrigerated Preferred
Stability Frozen N/A
Patient Preparation
Methodology
Chinese hamster ovary cell line transfected with both the thyrotropin receptor and a luciferase reporter gene
Limitations
Rejection Criteria
Gross microbial contamination; specimen contaminated with anticoagulants; plasma specimen; icteric, hemolytic or lipemic serum
Additional Instructions
Performing Laboratory Reference Laboratory
TagsTSI, STIMULATOR, THYRETAIN