Amino Acid Analysis for MSUD, LC/MS-MS, Plasma

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Category:

CPT Code:

82136

Test Type: 0.5 mL Plasma, FROZEN
Stability Time:
Temperature Period
Freeze 14 days
Room Unstable  
Refrigerator Unstable  

Overview:

This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.

Used in the diagnosis and treatment monitoring of patients with maple syrup urine disease (MSUD).

Collection Details:

Collection Instructions:

PREFERRED: Frozen plasma from green-top (sodium heparin) tube. frozen plasma from lavender-top (EDTA) tube OR frozen ACCEPTABLE: Frozen plasma from lavender-top (EDTA) tube or frozen plasma from PPT(TM). Frozen serum from serum separator tube (SST) or frozen serum from red-top tube will not be rejected. NOTE: Plasma reference ranges will be applied to all specimen types.  

Separate plasma from cells. Transfer specimen to plastic transport tube before freezing. To avoid delays in turnaround time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED. For carrier testing, order test Maple Syrup Urine Disease Carrier Test, DNA [511310]. The amino acid profile is appropriate for diagnosis and treatment monitoring of MSUD.

Component(s)
Panel/Test
Reflex Conditions
Test:
700029 Alloisoleucine
  
Test:
700024 Valine
  
Test:
700031 Leucine
  
Test:
700030 Isoleucine
  
Test:
700063 Interpretation
  
Test:
700064 Director Review
  
Reflexes to:
700471 Disclaimer:
 R
Test:
700065 Methodology
  
Test:
700219 MSUD, Pl
  
Test:
700471 Disclaimer: