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Lab Test Dictionary

TSH with HAMA Treatment (19537)

Methodology

Immunoassay (IA)


Specimen Type

Serum

Performing Lab

Quest Diagnostics San Juan Capistrano


Epic ID

Other Reference Test

Lab Test Days

Tuesday-Saturday

Standard TAT

2-3 Days


Collection Information

Specimen Required

3-4 mL Blood

Container Type

Red Top (No Additive)

Collection Instructions

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. According to the assay manufacturer Siemens: "Samples containing fluorescein can produce falsely depressed values when tested with the Advia Centaur TSH3 Ultra assay." Serum collected in a serum separator tube (SST) is acceptable.


Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Frozen-OK/Ambient-OK

Specimen Stability

Room Temp=7 Days; Refrigerated=7 Days; Frozen=28 Days

Test Volume Required

2 mL Serum

Minimum Test Volume

1.5 mL Serum


Included Tests

Ultrasensitive TSH with and without HAMA treatment.


CPT Codes

84443 (x2)


Revised

02-24-20

Initials

SL