Lactate/Pyruvate, Filtrate

Message

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Test Code

LACPYR

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

Instructions

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

Methodology
Enzymatic

Setup Schedule

Set up: Daily; Report available: Next day

Reference Range

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

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.