Lactate/Pyruvate, Filtrate

For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.

Test Code

CPT Codes
83605, 84210

Preferred Specimen
4 mL whole blood collected in a sodium/fluoride (gray-top) tube

Patient Preparation
A fasting sample is required.

Minimum Volume
1 mL

4 mL whole blood (gray-top tube) sodium fluoride, drawn from fasting patient without use of tourniquet and immediately mixed with 4 mL ice-cold 7% (w/v) Perchloric Acid.
Let mixture stand for 10 minutes and centrifuge. Submit supernatant fluid for assay. Please specify volumes of blood and Perchloric Acid used

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Room temperature: 3 hours
Refrigerated: 48 hours
Frozen: 30 days


Setup Schedule
Set up: Daily; Report available: Next day

Reference Range
Pyruvic Acid (Pyruvate), Blood0.30-1.50 mg/dL
Lactic Acid9.0-16.0 mg/dL
Lactate/Pyruvate Ratio10-20

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Dr
Chantilly, VA 20153

Last Updated: November 24, 2021

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.