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Lactate, Plasma

Performing Lab(s)

Memorial-Belleville & Memorial-Shiloh

Methodology

Colorimetric

Specimen Requirement (s)

Specimen Type: plasma

Container/Tube:   gray (fluoride/potassium oxalate) tube

Specimen Volume:     2 mL

Specimen Minimum Volume:  1 mL

 

Collection Instructions:

  • Use tourniquet only to find vein. 
  • Recommend tourniquet not be used or not on arm for more than 30 seconds before drawing gray top tube.
  • Patient should be resting for 30 minutes prior to draw.
  • Place on ice immediately and deliver to lab STAT (within 15 minutes).

Lab instructions: Centrifuge immediately upon delivery and run.

Unacceptable Conditions

  • non gray top tube
  • specimens received > 15 minutes after collection
  • specimen received not on ice.

Day(s)/Shift(s) Test Set Up and Turnaround Time

Sunday through Saturday

Hours: 24 hours

 

Turnaround Time:

STAT: 60 minutes

Routine: less than 8 hours from receipt.

Transport and Stability

Transport temperature: on ice to lab

 

Analyte Stability: 

Ambient: 8 hours

Refrigerated: 14 days

Frozen: NA

Reference Values

Lactate

Reference Values

Critical High

0.7 – 2 mmol/L

> 2.0 mmol/L

CPT/LOINC Codes

83605