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Lactic Acid
MessageChemistry
Test Code
LAB95
Alias/See Also
Lactate
CPT Codes
83605
Preferred Specimen
grey top tube, sodium fluoride (ICE)
Minimum Volume
Whole blood: 600 uL
Plasma: 300 uL
Plasma: 300 uL
Instructions
On ice ** DELIVER IMMEDIATELY TO CHEMISTRY
Draw the specimen when the patient is at rest.
Draw blood sample within 3 minutes of applying tourniquet and
before releasing tourniquet.
Preferred collection is to draw blood sample without the use
of a tourniquet.
LAB: Specimen must be centrifuged within 15 minutes of being drawn.
Blood is best collected in a container of sodium fluoride/potassium oxalate, followed by immediate chilling
of the specimen and separation of the cells within 15 minutes.
Lactic acid on separated plasma is stable for up to 8 hours at Ambient: or 14 days under refrigeration
Draw the specimen when the patient is at rest.
Draw blood sample within 3 minutes of applying tourniquet and
before releasing tourniquet.
Preferred collection is to draw blood sample without the use
of a tourniquet.
LAB: Specimen must be centrifuged within 15 minutes of being drawn.
Blood is best collected in a container of sodium fluoride/potassium oxalate, followed by immediate chilling
of the specimen and separation of the cells within 15 minutes.
Lactic acid on separated plasma is stable for up to 8 hours at Ambient: or 14 days under refrigeration
Transport Temperature
Transport on Ice.
Specimen Stability
Ambient: up to 8 hours
Refrigerated: 14 days
Frozen up to 1 month
Refrigerated: 14 days
Frozen up to 1 month
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed, contaminated, not enough volume
Setup Schedule
Everyday
Report Available
Same day
Limitations
Certain drugs and clinical conditions known to alter lactate concentration in vivo.
Reference Range
0.7 - 2.1 mmol/L
Performing Laboratory
Hoag Newport/ Hoag Irvine
