Lactate / Pyruvate, Filtrate

Included Tests

Lactic Acid, Filtrate; Pyruvic Acid (Pyruvate) Blood

Patient Preparation

Fasting is required

Specimen Requirements

4.0 mL Supernatant plasma fluid from a Grey Top Tube - Na Flouride K+

Transport And Storage

3 hours Ambient
48 hours Refrigerated
30 days Frozen

Collection Instructions

4 mL blood collected in a sodium fluoride (gray-top) tube, 
drawn from fasting patient without the use of tourniquet
immediately mixed with 4 mL ice-cold 7%-8% (w/v) perchloric acid. 
Let mixture stand for 10 minutes and centrifuge. 
Submit supernatant fluid for testing

Minimum Volume

1.0 mL Plasma

Neonatal Volume

Reference Range:

Lactic Acid	9.0-16.0 mg/dL
Pyruvic Acid	0.30-1.50 mg/dL
Lactate/Pyruvate Ratio	10-20

Methodology:

• Enzymatic

CDM

00913333

CPT Coding

83605, 84210