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Test Code LD BF Body Fluid Lactate Dehydrogenase

Important Note

This test cannot be ordered as an add-on once it has been stored in the fridge.

Clinical System Name

Body Fluid Lactate Dehydrogenase


Lactate Dehydrogenase, body fluid
LD, Body Fluid
LDH - Misc

Sample Requirements

Specimen:  Body Fluid

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

Preferred Vol:  0.5mL

Minimum Vol:  0.5mL


Note:  Keep specimen at RT. Abdominal, ascites, body, chest, peritoneal, pleural, thoracentesis fluid in Gold or Red tubes are also acceptable. Method is affected by oxalate, exposure to RBC's and hemolysis. Not affected by heparin, sodium fluoride, or lipemia.


Processing Instructions

Reject due to: Age of specimen, incorrect storage temperature

Spin: Y

Aliquot:  Y

Temp: RT

Storage location: Core Chemistry

Notes:  Do not refrigerate or freeze. Spin fluid, deliver to Core Chemistry. Prevent any exposure to RBC's during storage.


Off-site collection: Spin fluid, separate supernatant from cells. Transport specimen at room temperature. Do not refrigerate or freeze. Samples are stable for 2 days at room temperature.


Specimen Type Temperature Time
Body Fluid RT

2 D

  Refrigerated No
  Frozen No



STAT Performed TAT
Y 24/7 1 H


Performing Laboratory

Seattle Children's Laboratory    


Department:  Core Chemistry

Phone Number: 206-987-2617




Method:  Multiple Point Rate by Vitros 4600

Minimum Volume: 0.05 mL

Analytical Volume:  0.01 mL + 0.03 mL dead space

CPT Codes