Test Catalog

Test ID: PYR    
Pyruvic Acid, Blood

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

Specimen Type Describes the specimen type validated for testing

Whole blood

Additional Testing Requirements

This test does not calculate the lactate:pyruvate ratio. To obtain this information, LACS1 / Lactate, Plasma and PYR / Pyruvic Acid, Blood must be ordered. The ratio can be calculated from the results of those tests.

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Call 800-533-1710 or 507-266-5700 to order special collection tube.

 

Patient Preparation: Fasting (at least 4 hours)

Supplies: Perchloric Acid–Pyruvate Tube (T012)

Container/Tube: Special collection tube containing 2.5 mL of 6% perchloric acid (T012)

Specimen Volume: Exactly 1 mL

Collection Instructions:

1. Special collection tube must be prechilled prior to draw.

2. Draw enough blood directly into syringe to add exactly 1 mL of blood to the prechilled special collection tube.

3. Once drawn, immediately transfer blood to the prechilled, special collection tube and shake vigorously to mix.

Additional Information:

1. Check expiration date before using. Supplied collection tube expires 12 months after preparation.

2. If perchloric acid spills, obtain new, prechilled tube.

Special Instructions Library of PDFs including pertinent information and forms related to the test

Forms

1. Biochemical Genetics Patient Information (T602) in Special Instructions.

2. If not ordering electronically, complete, print, and send an Inborn Errors of Metabolism Test Request (T798) with the specimen.

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

See Specimen Required

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Hemolysis

Mild OK; Gross OK

Lipemia

Mild OK; Gross OK

Icterus

NA

Other

Use of any anticoagulant other than special tube

 

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTime
Whole bloodRefrigerated15 days