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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.


Acylglycine - Urine
Test Information: This test provides quantitative analysis of Propionylglycine, Isobutyrylglycine, Butyrylglycine, 2-Methylbutyrylglycine, Isovalerylglycine, 3-Methylcrotonylglycine, Tiglylglycine, Hexanoylglycine, and Suberylglycine.

This test is used for diagnosis and newborn screening follow-up of several organic acidurias as well as some disorders in fatty acid oxidation, ketogenesis, and biotin utilization. Disorders screened for include:

PROPIONIC ACIDEMIA (OMIM 606054)
METHYLMALONIC ACIDURIA DUE TO METHYLMALONYL-CoA MUTASE DEFICIENCY (OMIM 251000)
ALPHA-METHYLACETOACETIC ACIDURIA (OMIM 203750)
17-BETA-HYDROXYSTEROID DEHYDROGENASE X DEFICIENCY (OMIM 300438)
PROPIONIC ACIDEMIA (OMIM 606054)
ACYL-CoA DEHYDROGENASE, MEDIUM-CHAIN, DEFICIENCY OF; ACADMD (OMIM 201450)
ACYL-CoA DEHYDROGENASE, SHORT-CHAIN, DEFICIENCY OF; ACADSD (OMIM 201470)
ENCEPHALOPATHY, ETHYLMALONIC; EE (OMIM 602473)
MULTIPLE ACYL-CoA DEHYDROGENASE DEFICIENCY; MADD (OMIM 231680)
ISOBUTYRYL-CoA DEHYDROGENASE DEFICIENCY (OMIM 611283)
ISOVALERIC ACIDEMIA; IVA (OMIM 243500)
3-METHYLCROTONYL-CoA CARBOXYLASE 1 DEFICIENCY (OMIM 210200)
3-METHYLCROTONYL-CoA CARBOXYLASE 2 DEFICIENCY (OMIM 210210)
3-HYDROXY-3-METHYLGLUTARYL-CoA LYASE DEFICIENCY; HMGCLD (OMIM 246450)
BIOTINIDASE DEFICIENCY (OMIM 253260)
MULTIPLE CARBOXYLASE DEFICIENCY, NEONATAL OR EARLY ONSET FORM (OMIM 253270)
2-METHYLBUTYRYL-CoA DEHYDROGENASE DEFICIENCY (OMIM 610006)
ACYL-CoA DEHYDROGENASE, SHORT/BRANCHED CHAIN; ACADSB (OMIM 600301)
KETOTHIOLASE DEFICIENCY OMIM 203750

Test Details
Test Code: 4350
Special Notes: Urine organic acid (#4200) and plasma acylcarnitine (#4300) are recommended in conjunction with this test.
Technical Information
Methodology: Gas Chromatography/Mass Spectroscopy
Test Type: Analyte Analysis
References Values or Ranges: Ranges are provided in the report.
Sample & Shipping Information
Test Requisition: Biochemical
Specimen Type: Urine
Requirements: Send 5 cc of a random urine. Do not add preservatives. Store the specimen frozen at -20C.
Shipping Conditions: Ship frozen on 3-5 lbs of dry ice in an insulated container by overnight courier.

Turn Around Time: 14 days
Billing Information
List Price: *For Insurance or Institutional Prices, please call.
CPT Codes: 82542x1, 82570x1, 83789x1, 83921x1


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