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Lactate
Test CodeLAB95
Alias/See Also
Lactic Acid
CPT Codes
83605
Preferred Specimen
4.5 ml (1.0 ml min) Sodium Fluoride/Potassium Oxalate (Gray)
Minimum Volume
1 ml (200 ul minimum) plasma
Instructions
Draw blood without using tourniquet. Place sample on ice.
Transport Temperature
Sample on ice.
Specimen Stability
Separated from cells: 8 hours room temp, 2 weeks refrigerated
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Icteric: >8 mg/dL bilirubin, Hemolysis: >500 mg/dL hemoglobin, Lipemia: 1000 mg/dL
Methodology
Enzymatic
Setup Schedule
Mon- Sun
Reference Range
0.5-2.0 mmol/L
Clinical Significance
There are two major clinical settings in which lactic acidosis occur:
1. Conditions associated with hypoxia e.g. shock, congestive heart failure, myocardial infarction, blood loss and
pulmonary edema.
2. Metabolic or drug/toxin related disorders. Examples of metabolic disorders include diabetes mellitus, hepatic disease
and neoplasia.
1. Conditions associated with hypoxia e.g. shock, congestive heart failure, myocardial infarction, blood loss and
pulmonary edema.
2. Metabolic or drug/toxin related disorders. Examples of metabolic disorders include diabetes mellitus, hepatic disease
and neoplasia.
Performing Laboratory
Piedmont Athens Regional
