Sign in →

Test Code LAB811 Amino Acids, Quantitative, Blood

Lab Dept

Core Lab

Performing Laboratory

St. Louis Children's Hospital

Specimen Requirements

Specimen Type: Blood

Container/Tube  
Preferred: Mint (Light) green-top (lithium heparin) Vacutainer®

Acceptable: Green-top (Lithium Heparin) microtainer®, Gold/Red SST Vacutainer®, Plain, red-top Vacutainer®, or DARK green-top (sodium heparin) Vacutainer®.

Collection Volume:

3.0 mL (minimum 0.6 mL) for Vacutainer®.
If collected in microtainer®, container MUST be full.
Patient Preparation: None
Sample Rejection: Mislabeled or unlabeled specimens.
Special Instructions: Send to lab promptly

Interpretive

Reference Range: Age dependent. See Amino Acid Reference Values

Critical Values: None established

Limitations: NA
Methodology: Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Test Classifcation: This test was developed and its performance characteristics determined by St. Louis Children's Hospital Clinical Laboratory. It has not been cleared or approved by the U.S. Food and Drug Administration.

Additional Information

For SLCH Laboratory use only

Lab Processing instructions: Centrifuge specimen to separate, aliquot sample into a plastic conical tube and freeze within 1 hour of collection. Label aliquot with specimen type (plasma or serum).
 
Processed Volume: 1.0 mL (minimum 0.3 mL)
 
Analyte Stability:

Ambient: 1 hour
Refrigerated: NA
Frozen (processed): Indefinitely
 
NOTES: None

General Information

EPIC order name: Amino Acids, Blood (EPIC Test # LAB811)
Cerner order name: Amino Acids Blood
CPT Codes: 82139
LOINC Value: NA
Synonyms:  

Last Reviewed

November 2024

Logistics

Day(s) Test Set Up: Monday-Friday
Cut-off time: 0430
Turnaround Time: 5 days
Lab Testing Section: Metabolic Genetics

Barnes-Jewish Hospital Additional Information:

For BJH Laboratory Use Only

Alternate Tube:

1 dark green-top (lithium heparin) tube

Laboratory Processing Instructions:

BJH Chemistry will forward to the performing laboratory. Centrifuge. Immediately aliquot 1 ml of serum and freeze. Send frozen to SLCH