Days Set Up
Tuesday, Wednesday, Thursday
Analytic Time

5 - 10 days; contact MLabs Client Services Center or Pediatric Geneticist on Call if assay is needed on an urgent basis.

MiChart Code
Amino Acids, Quantitative, CSF (MMGL)
Soft Order Code
CAA

Test Updated:

Synonyms

Beta-Alanine
Alanine
Arginine
Aspartic Acid
Cystine
Glutamine
Histidine
Asparagine
Citrulline
Glutamic Acid
Glycine
Hydroxyproline
Phosphoethanolamine
Hydroxylysine
Homocystine
Argininosuccinic Acid
Methionine
Phenylalanine
Serine
Threonine
Tyrosine
L-alloisoleucine
Isoleucine
Lysine
Ornithine
Proline
Tryptophan
Valine
Leucine
CAA
Amino Acids, CSF-QN
Gamma-Aminobutyric Acid
PGLABEL
Generic Peds Genetics Test
BIOCH GEN REPORT
BIOCHEMICAL GENETICS REPORT
CAAS
Amino Acids, CSF-QN Shadow
Glutamate
Carnosine
Alpha Aminoadipic
Taurine
Beta Aminoisobutyric
Alpha Aminobutyric
Ethanolamine
Sarcosine

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

LCMS/MS

Test Usage

Assessment of metabolic defects resulting in abnormal amino acid metabolism.

Reference Range

Interpretive report provided.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Collect CSF in a sterile tube. Specimens must be delivered to the laboratory within 1 hour of collection if stored at room temperature or within 24 hours if stored refrigerated. Include the patient's family history, clinical condition (asymptomatic or acute), diet, and a list of current medications with the test requisition.

Collection Offsite

Collect CSF in a sterile tube. If blood is present, centrifuge and aliquot CSF into a plastic vial and freeze within 1 hour of collection. If a centrifuge is not available, refrigerate specimen and send to laboratory within 24 hours of collection. Include the patient's family history, clinical condition (asymptomatic or acute), diet, and a list of current medications with the test requisition.

Normal Volume
2 mL CSF
Minimum Volume
1 mL CSF

Billing Information

CPT Code
82139
Pro Fee Code
 
LOINC
35507-3

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.