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Laboratory Test Directory



Name Method Department Units
Lactate Enzymatic, reflectometry
Core Lab, Chemistry, Routine mmol/L

Specimen Requirements

Plasma Spun

Container Type Container Size Specimen Volume

Gray tube (Sodium Fluoride/ Disodium EDTA)

Micro sample tube 1 mL

Gray tube (Sodium Fluoride)

Micro sample tube 1 mL

Gray tube (Sodium Fluoride)

2 mL 2 mL

Room temperature - 8 hour(s)
Refrigerated - 14 day(s)
Frozen - 1 month(s)

Specimen Preparation

  • Transport to laboratory as soon as possible
  • Centrifuge within 1 hour, separate supernatant and refrigerate

Reasons for Rejection

  • Hemolyzed specimen
  • Wrong collection tube
  • Not received within specified time frame
  • Not received at proper temperature


Plasma from a sodium fluoride/EDTA tube can only be used for analysis of lactate and glucose. Failure to collect in fluoride tube may result in falsely elevated result. Warm puncture area before collection. Avoid any excercise of arm or hand during collection. Do not use tourniquet if possible. Collection tubes should be at least half-full.

CPT Code

  • 83605