Pyruvic Acid (Pyruvate), Blood

Test Code

PYR

Quest Code

765

CPT Codes
84210

Preferred Specimen

4.5 mL Protein-free filtrate

Minimum Volume

2 mL

Instructions

Collect 4 mL whole blood EDTA (lavender-top), sodium or lithium heparin (green-top), or fluoride oxalate (gray-top) tube and immediately, vigorously mix with 4 mL pre-chilled, ice cold 7% or 8% Perchloric Acid. Let mixture stand for 10 minutes; then, centrifuge. Separate and submit 4.5 mL supernatant fluid for assay, refrigerated 2-8° C. Transport refrigerated (cold packs).
Maintain 1:1 ratio for whole blood and Perchloric acid.

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: Unacceptable
Refrigerated: 30 days
Frozen: 90 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Received room temperature

Methodology
Enzymatic

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Mon-sat

Report Available

2-4 days

Reference Range

0.30-1.50 mg/dL

Performing Laboratory

Quest Diagnostics Nichols Institute-Chantilly VA

14225 Newbrook Drive

Chantilly, VA 20151-2228

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.