Amino Acids, Plasma w/ Consultation | Cleveland Clinic Laboratories

Amino Acids, Plasma w/ Consultation Print

Test Mnemonic

PAABI

CPT Codes

82139 - QTY (1)

Performing Laboratory

Cleveland Clinic Laboratories

FDA Category

Laboratory Developed Test

Specimen Requirements

Volume	Type	Container	Collect Temperature	Transport Temperature	Special Instructions
1 mL	Plasma	Sodium heparin (Green)		Frozen	Remove plasma from cells within 45 minutes of collection. Freeze plasma.

Alternate Specimen Requirements

Volume	Type	Container	Collect Temperature	Transport Temperature	Special Instructions
1 mL	Plasma	Lithium heparin (Green)		Frozen	Remove plasma from cells within 45 minutes of collection. Freeze plasma.

Minimum Specimen Requirements

Volume	Type	Container	Collect Temperature	Transport Temperature	Special Instructions
0.5 mL

Stability

Environmental Condition	Description
Ambient	Unacceptable
Refrigerated	24 hours, after separation from cells
Frozen	2 weeks, after separation from cells

Days Performed

Mon - Fri

Turnaround Time

1 - 5 days

Methodology

Name	Description
High Performance Liquid Chromatography with Ultraviolet Detection (HPLC-UV)

Reference Range

Phenylalanine
Sex	Age From	Age To	Type	Range	Range Unit
	Days	30 Days	Normal	38 - 137	umol/L
	1 Months	23 Months	Normal	31 - 75	umol/L
	2 Years	18 Years	Normal	26 - 91	umol/L
	19 Years	99 Years	Normal	35 - 85	umol/L
Tyrosine
Sex	Age From	Age To	Type	Range	Range Unit
	Months	1 Months	Normal	55 - 147	umol/L
	1 Months	24 Months	Normal	22 - 108	umol/L
	2 Years	18 Years	Normal	24 - 115	umol/L
	18 Years	99 Years	Normal	34 - 112	umol/L

Special Info

Indicate clinical condition, diet and/or drug therapy information (if applicable), and family history information (if relevant). Age of patient or date of birth needed.

Clinical Info

Evaluation for disorders of amino acid metabolism or mitochondrial disorders; evaluation of unexplained mental retardation, neurological deterioration, failure to thrive, recurrent vomiting, acidosis or hyperammonemia.