Test Code LA Lactic Acid, Venous
Methodology
Lactate Oxidase
Performing Laboratory
Munson Healthcare Laboratories
Specimen Requirements
Container/Tube: Grey-top (potassium oxalate/sodium fluoride) tube
Specimen Volume: 1 mL of potassium oxalate/sodium fluoride plasma
Transport Temperature: Whole blood: ambient Plasma aliquot: refrigerate
Collection Instructions: Fasting is preferred. Patient should be in a resting state (no exercise).
Specimen must be centrifuged within 1 hour of collection
For specimens collected on hospital premises: Immediately transport to the laboratory to meet centrifugation requirements.
For specimens collected in offsite draw stations:
1. Immediately place in centrifuge (within 1 hour of draw) and spin sample.
2. Remove plasma from cells within 3 hours.
3. Refrigerate plasma aliquot. Stable 14 days at 2-8° C.
4. Transport plasma aliquot next to cool pack to assure refrigerated temperature is maintained.
Reference Values
0.9 - 1.7 mmol/L
Critical value (automatic call-back):
Pediatric and adult patients:≥ 4.0 mmol/L
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
83605