Last Modified:
2/24/2020 2:37:08 PM
Medical Necessity Documentation:
Client Notes:
Patient Preparation:
Specimen Requirements:
1.0 mL Serum in a SST Gold Top Tube
Collection Instructions:
Minimum Volume:
0.5 mL Serum
Transport & Storage: Temperature/Stability:
7 days Refrigerated
24 hours unspun
Reference Range:
0.25 - 4.50 uIU/ml
Critical Ranges:
Test Comments:
It has been noticed that allopurinol may falsely elevate TSH level. Cotesting with Free T4 and correlation with clinical symptoms are recommended in evaluation of thyroid function in this subset of patients.
This assay utilizes biotin technology. Patients taking vitamin supplements containing high doses of biotin (>5 mg/day) may have falsely decreased test results generated.
Methodology:
ECLIA
Clinical Significance:
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
Days Performed:
Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed:
Parkview Regional Medical Center
PHL Test Code:
HFTSH
EPIC Test Code:
LAB2385
Alternate Test Names:
Health Fair TSH
Included Tests:
CPT Coding:
Not Applicable - Client Bill Only
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