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Pyruvic Acid, CSF
0080312
Ordering Recommendation

Useful for investigating possible disorders of mitochondrial metabolism, particularly when used in conjunction with CSF lactate.

Mnemonic
PYRU CSF
Methodology
Quantitative Enzymatic
Performed
Sun-Sat
Reported
1-2 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
Patient should be at complete rest.  
Collect
CSF.  
Specimen Preparation
1) Immediately after CSF is drawn, add exactly 1 mL CSF to a chilled pyruvate collection tube containing 2 mL 8 percent (w/v) perchloric acid (ARUP supply #16567) available online through eSupply using ARUP Connect or contact Client Services at (800) 522-2787.
2) Mix well for 30 seconds then place in an ice bath for 10 minutes.
3) Centrifuge for 10 minutes at 1500 x g.
4) Decant 2 mL supernatant to an ARUP Standard Transport Tube and freeze. (Min: 1 mL)  
Storage/Transport Temperature
Frozen.  
Unacceptable Conditions
If less than 1 mL of CSF is added to collection tube, pH of the supernatant will be too low for testing.  
Remarks
 
Stability
Ambient: Unacceptable; Refrigerated: 2 days; Frozen: 1 month  
Reference Interval
0.060-0.190 mmol/L
Interpretive Data


Note
CPT Code(s)
84210
Components
Component Test Code*Component Chart NameLOINC
0080312Pyruvic Acid, CSF14122-6
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Pyruvate (Pyruvic Acid, CSF)
  • Pyruvic Acid