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Test Code LAB2328 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

Synonyms

LAB2328

LACT BF

Lactate, Body Fluid

Sample Requirements

Specimen:  Body Fluid

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

Preferred Vol: 0.5 mL

Minimum Vol: 0.25 mL

 

Note: Note type of body fluid on requisition. Send to the lab immediately for accurate results. Method is affected by exposure to RBC's (longer than 15 minutes). 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 (give to Core Lab for determination), Incorrect specimen container

Spin: Y

Aliquot: Y

Temp: 2-8oC

Storage location: Core 5 Chemistry Refrigerator

 

Notes: Body fluid must be removed from red blood cells within 15 minutes for an accurate lactic acid level.

 

Off-site collection: Note type of body fluid on requisition. Place on ice after collection. Specimen should be centrifuged within 15 minutes of collection. Spin body fluid and transfer supernatant to plastic tube and refrigerate or freeze.

Stability

Specimen Type Temperature Time
Unspun Body Fluid RT ≤ 15 min
Body Fluid RT

≤ 8 h
Body Fluid 2-8 C

≤ 14 d
Body Fluid -20 C or -70 C

≤ 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 (Client Services)

CPT Codes

83605

Methodology

Method:  Colorimetric method by Vitros 4600

Analytical Volume:  0.02 mL + 0.03 mL dead space

Reference Range

Reference ranges are not available for Body Fluid.