Sign in →

Test Code LACT BF Body Fluid Lactic Acid

Important Note

Place specimen in outside pocket of a pre-filled biohazard bag of ice, then put into a separate biohazard bag for transport.

Clinical System Name

Body Fluid Lactic Acid


Lactate, Body Fluid

Sample Requirements

Specimen:  Body Fluid

Container(s): Sterile Screw-Capped Container, Sterile Screw-Capped Tube or Syringe

Preferred Vol: 0.5 mL

Minimum Vol: 0.25 mL body fluid


Note: Note type of body fluid on requisition.  Place specimen into bag, then into a seperate bag with ice for delivery to laboratory.

Processing Instructions

Reject due to: Age of Specimen, Incorrect specimen container

Spin: Y

Aliquot: Y

Temp: 2-8oC

Storage location: Core 5 Chemistry Refrigerator


Off-site collection: Note type of body fluid on requisition. Place on ice after collection. Centrifuge specimen if cells are present. Supernatant must be a clear fluid. Freeze for transport to Children's Lab.



Specimen Type Temperature Time
Body Fluid RT

8 H

Body Fluid 2-8oC

 14 D

Body Fluid -20oC or -70oC

 30 D



STAT Performed TAT
Y 24/7 1 H


Performing Laboratory

Seattle Children's Laboratory    


Department:  Core Chemistry

Phone Number: 206-987-2617

Reference Range

Reference ranges are not available for BF.


Method:  Colorimetric

Analytical Volume:  0.02 mL supernatant + 0.03 mL dead space

CPT Codes