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Lab Test Dictionary

Testosterone, Free (Dialysis) and Total, MS (36170)

Methodology

Chromatography/Mass Spectrometry; Equilibrium Dialysis; Calculation (CALC)


Specimen Type

Serum or Plasma

Performing Lab

Quest Diagnostics Valencia


Epic ID

LAB01339

Lab Test Days

Daily

Standard TAT

4 Days


Collection Information

Specimen Required

2-4 mL Blood

Container Type

Red Top (No Additive)

Collection Instructions

Plasma collected in a sodium heparin 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; Refrigerate: 21 Days; Frozen: 2 Years

Rejection Criteria

Gross hemolysis; Gross lipemia; Serum/Plasma separator tubes (SST/PST)

Test Volume Required

1.8 mL Serum or Plasma

Minimum Test Volume

0.9 mL Serum or Plasma


Included Tests

Testosterone, Total, MS and Testosterone, Free (Dialysis)


CPT Codes

84402, 84403


Revised

8/11/23

Initials

SA