PYR - Specimen: Pyruvic Acid, Blood

Test Catalog

Test Name

Test ID: PYR    
Pyruvic Acid, Blood

Specimen Type Describes the specimen type validated for testing

Whole blood

Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.

Call Mayo Medical Laboratories at 800-533-1710 or 507-266-5700 to order special collection tube.


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

Specimen Volume: Exactly 1 mL

Collection Instructions:

1. Fasting (at least 4 hours)

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

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

4. 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.

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

1 mL blood added to special collection tube

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


Mild OK; Gross OK


Mild OK; Gross OK




Use of any anticoagulant other than special tube


Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperatures are also included.

Specimen TypeTemperatureTime
Whole bloodRefrigerated15 days