Sign in →

Test Code LA Lactic Acid, Venous

Important Note

Outpatient specimens should ideally be collected at a hospital outpatient laboratory to maintain stability requirements.


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 15 minutes 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 15 minutes of draw) and spin sample.

2. Remove plasma from cells within 3 hours.

3. Refrigerate plasma aliquot.. 

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):

<2 months: >2.5 mmol/L

>2 months: >4.0 mmol/L


Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding