Pyruvic Acid, CSF
0080312
Ordering Recommendation
 
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
Specimen Required
Patient Preparation
Patient should be fasting and at complete rest. Patient should avoid any exercise of the arm or hand before or during collection. Draw the specimen without the use of a tourniquet or within three minutes of applying the tourniquet, but before releasing the tourniquet.  
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: 1 month; Frozen: 6 months  
Reference Interval
0.060-0.190 mmol/L  
Interpretive Data
 
Note
 
CPT Code(s)
84210
Components
Component Test Code*Component Chart Name
0080312Pyruvic Acid, CSF
* 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