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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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The American Medical Association (AMA) Current Procedural Terminology (CPT) codes and Healthcare Common Procedure Coding System (HCPCS) codes listed, are provided for informational purposes only. The codes reflect our interpretation of CPT/HCPCS coding requirements based upon AMA guidelines published annually. CPT/HCPCS codes are provided only as guidance to assist clients with billing. Baylor Genetics strongly recommends that clients confirm CPT/HCPCS codes with their Medicare Administrative Contractor (MAC) or other payer being billed, as requirements may differ. CPT coding is the sole responsibility of the billing party. Baylor Genetics assumes no responsibility for billing errors due to reliance on the CPT codes listed. Please direct any questions regarding CPT coding to the payer being billed.
Argininosuccinate Lyase Deficiency tests available.

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Diagnostic Testing Familial Mutation/Variant Analysis Mutation Testing General Population Prenatal Diagnosis Presymptomatic Testing
Enzyme Analysis Argininosuccinate Lyase Enzyme Analysis
Test Code: 4524

The Preferred Sample Type for diagnosis is Red Blood Cells (#4524).
Argininosuccinate Lyase Enzyme Analysis
Test Code: 4521

We require that the referring center consult with our laboratory genetic counselors regarding prenatal cases prior to submitting any samples. Please call 1-800-411-4363.
Sequence Analysis ASL Sequence Analysis
Test Code: 6360
ASL Sequence Analysis
Test Code: 6361

This test can only be performed if there is a previously identified familial mutation.
ASL Sequence Analysis
Test Code: 6362

We require that the referring center consult with our laboratory genetic counselors regarding prenatal cases prior to submitting any samples. Please call 1-800-411-4363.
ASL Prenatal Sequence Analysis (GeneAware)
Test Code: 60157

We require that the referring center consult with our laboratory genetic counselors regarding prenatal cases prior to submitting any samples. Please call 1-800-411-4363.


ASL Sequence Analysis
(Prenatal Diagnosis)
Test Information: Prenatal Diagnosis - Known Familial Mutation(s)
Test Details
Test Code: 6362
Test Includes: Sequencing of the region(s) containing the familial alteration(s)

Special Notes: We require that the referring center consult with our laboratory genetic counselors regarding prenatal cases prior to submitting any samples. Please call 1-800-411-4363.
Technical Information
Methodology: Sequencing analysis of the region(s) containing the familial alteration(s) is performed in the forward and reverse directions
Gene Name: ASL
Protein Name: Argininosuccinate Lyase
Test Type: Sequence Analysis
Sample & Shipping Information
Test Requisition: Prenatal Comprehensive
Specimen Type: Specimen Information
Requirements: Requirements Information
Shipping Conditions: Ship at ambient temperature in an insulated container by overnight courier.

Turn Around Time: 21 days
Billing Information
List Price: *For Insurance or Institutional Prices, please call.
CPT Codes: 81479x1, 81265x1, 81266x1


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