Amino Acid Quantitation (Plasma)
- LIS Mnemonic: AAQP
Collect
Green (Sodium heparin)
Volume Required
3.0 mL
Minimum Required
1.0 mL
Transport
Room temperature
Stability
8 hours
Processing
Refrigerate if delay in delivery is >8 hours. Spin and freeze if delivery is > 24 hours. If sending specimen from outside CHOP, please send plasma on dry ice by overnight courier (Mon-Thurs only).
Days Performed
Monday - Friday
Reported
3-5 days
Reflex Testing
N/A
CPT
82139
Methodology
UPLC
Remarks
If looking for free homocysteine, place sample on ice. 2 Lithium heparin microtainers may be used for amino acid testing.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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