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Genetic Labs

Houston, Texas

Genetic Laboratory
Baylor Genetics Laboratories
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Medical Genetics Test Details

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Pyridoxine-Dependent Seizures Panel - Cerebrospinal Fluid
Test Information: Elevated quantities of alpha-aminoadipic semialdehyde (AASA) and its cyclic Shiff base, piperideine-6-carboxylate (P6C) are diagnostic for Pyridoxine-Dependent Seizures. Pipecolic acid may also be moderately elevated. This test reports the levels of P6C and pipecolic acid.
Test Details
Test Code: 4812
Test Includes: This test provides quantitative analysis of Piperideine-6-Carboxylate and Pipecolic Acid.

Special Notes: Carrier Testing and Prenatal Analysis are not available by Analyte Analysis.

The Pyridoxine-Dependent Seizures Panel can also be performed on Plasma (#4811). Please see detailed requirements under this test code.

Piperideine-6-Carboxylate (P6C) is the cyclic isomer of alpha-aminoadipic semialdehyde (AASA) and the equilibrium between P6C and AASA is pH dependent. Under our assay conditions, P6C is the predominant form.

ALDH7A1 Sequence Analysis (#6950) for Pyridoxine-Dependent Seizures is also available. Please see detailed requirements under this test code.
Technical Information
Methodology: Tandem MS
Protein Name: Alpha-aminoadipic semialdehyde dehydrogenase, Piperideine-6-Carboxylate
Test Type: Analyte Analysis
References Values or Ranges: Ranges provided on the report
Sample & Shipping Information
Test Requisition: Biochemical
Specimen Type: Cerebrospinal Fluid
Requirements: Send 1-2 cc of cerebrospinal fluid. Store the specimen frozen at -20C. Specimen may be stored frozen for up to 7 days.
Shipping Conditions: Ship frozen on 3-5 lbs of dry ice in an insulated container by overnight courier.

Turn Around Time: 16 days
Billing Information
List Price: *For Insurance or Institutional Prices, please call.
CPT Codes: 82542x1, 83789X1

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