Amino Acid Quantitation (CSF)
- LIS Mnemonic: AAQC
Collect
Plastic CSF tube
Volume Required
1.0 mL
Minimum Required
0.5 mL
Transport
Room temperature
Stability
overnight
Processing
Refrigerate if delay in transport > 18 hours. Freeze if delay is >24 hours. If sending specimen from outside CHOP, send on dry ice by overnight courier (Mon-Thurs only).
Unacceptable conditions
If specimen is bloody, test will be cancelled.
Days Performed
Monday - Friday
Reported
3-5 days
Reflex Testing
N/A
CPT
82139
Methodology
UPLC
Remarks
Amino Acids detected:p-serine,taurine,p-ethanolamine,urea,aspartic acid, oh-proline, threonine, serine, asparagine, glutamate, glutamine, sarcosine, a-amino-adipic, proline, glycine, alanine, citrulline, a-amino butyric, valine, cystine, methionine, cystathionine, isoleucine, leucine, tyrosine, phenylalanine, b-alanine, b-amino isobutyric, homocystine, GABA, ethanolamine, ammonia, oh-lysine, ornitine, lysine,1-me-histidine, histidine, 3-me-histidine, anserine, carnosine, arginine
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