Sign in →

Test Code LACT CSF CSF 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

CSF Lactic Acid

Synonyms

Lactate, CSF

Sample Requirements

Specimen: CSF

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

Preferred Vol:  1.0 mL

Minimum Vol: 0.5 mL

Note: Note collection type on requisition and container (e.g. "LP" for CSF lumbar puncture.) Send to the lab immediately for accurate results. Place specimen in outside pocket of a pre-filled biohazard bag of ice, then put into a separate biohazard bag for transport.

Processing Instructions

Reject due to: Age of specimen/incorrect strorage temperature

Spin: Y

Aliquot: Y

Temp:  2-8oC

Storage location:  Core 5 Chemistry Refrigerator

Notes: Centrifuge specimen if cells are present. Supernate should be a clear fluid.

 

Off-site collection:  Place specimen in outside pocket of a pre-filled biohazard bag of ice, then put into a separate biohazard bag for transport. Centrifuge specimen if cells are present. Supernate should be a clear fluid. Freeze specimen for transport to Children's Lab.

Stability

 

Specimen Type Temperature Time
CSF RT

 8 H

CSF 2-8oC

 14 D

CSF -20oC or -70oC

30 D

 

Availability

STAT Performed TAT
Y 24/7 1 H

 

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Core Chemistry

Phone Number: 206-987-2617

Reference Range

0.0 - 2.8 mMol/L

 

 

Methodology

Method:  Colorimetric method by Vitros 4600

Analytical Volume:  0.02 mL + 0.03 mL dead space

CPT Codes

83605