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Lab Test Dictionary

Testosterone, Total, MS (15983)

Methodology

Chromatography/Mass Spectrometry


Synonyms

Testosterone, Total, Pediatric

Specimen Type

Serum or Plasma

Performing Lab

Quest Diagnostics San Juan Capistrano


Epic ID

LAB01070

Lab Test Days

Daily

Standard TAT

4 Days


Collection Information

Specimen Required

1-2 mL Blood

Container Type

Red Top (No Additive)

Collection Instructions

Plasma collected in: Sodium heparin (green-top) tube or lithium heparin (green-top) tube is also acceptable.


Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Frozen-OK/Ambient-OK

Specimen Stability

Room Temp: 7 Days; Refrigerated: 7 Days; Frozen: 2 Years

Rejection Criteria

Gross hemolysis; Gross lipemia

Test Volume Required

1 mL Serum or Plasma

Minimum Test Volume

0.5 mL Serum or Plasma

Processing Instructions

Indicate serum or plasma in flag comments, on specimen and on batch sheet. Red-top tube (no gel): Allow blood to clot at room temperature. Centrifuge to separate the serum from the cells and immediately pour serum into a plastic transport tube. Serum separator tube (SST): Allow blood to clot at room temperature, centrifuge, and remove serum from the gel immediately (not to exceed 48 hours) by pouring serum into a plastic transport tube.


CPT Codes

84403


Revised

5/17/24

Initials

SA