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Test ID BLOD0104 Pyruvic Acid, Blood

Useful For

Screening for possible disorders of mitochondrial metabolism, when used in conjunction with blood lactate collected at the same time, to determine the lactate-to-pyruvate ratio

Specimen Type

Whole blood


Additional Testing Requirements


This test does not calculate the lactate:pyruvate ratio. To obtain this information, both this test and LACS1 / Lactate, Plasma must be ordered. The ratio can be calculated from the results obtained from these tests. A separate specimen must be obtained for lactate testing, see LACS1 / Lactate, Plasma.



Specimen Required


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

Specimen Volume: Exactly 1 mL

Collection Instructions:

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

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

3. Taking care to not spill any of the preservative, cautiously remove the cap from the tube.

4. Immediately transfer blood, once drawn, to the prechilled, special collection tube, recap, and shake vigorously to mix.

Additional Information:

1. Check expiration date before using. Supplied collection tube expires 14 months after preparation.

2. If perchloric acid (preservative) spills, obtain a new, prechilled tube.


Specimen Minimum Volume

See Specimen Required

Reject Due To

Gross hemolysis OK
Gross lipemia OK

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole blood Refrigerated 15 days PYRUVATE

Day(s) Performed

Monday, Wednesday

Report Available

2 to 5 days

Method Name

Spectrophotometry (SP)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

84210

Reporting Name

Pyruvic Acid, B

Reference Values

0.08-0.16 mmol/L

 

NIH Unit

0.7-1.4 mg/dL

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

Secondary ID

8657
Sanford Laboratories - Fargo Additional Information:

SANFORD INTERFACE BUILD INFORMATION

Result Code Result Code Description
13092 Pyruvic Acid, B
13093 Pyruvic Acid, B