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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.


Advanced mtDNA Point Mutations and Deletions by Massively Parallel Sequencing (BCM-MitomeNGSSM)
Test Information: This test includes 36 common mitochondrial DNA mutations in 17 mitochondrial genes (see below).
Test Details
Test Code: 2010
Test Includes: This test includes the analyzation of the following mutations by gene:
MT-RNR1: m.1494T>C and m.1555A>G
MT-TV: m.1606G>A
MT-TL1: m.3243A>G, m.3251A>G, m.3252A>G, and m.3271T>C
MT-ND1: m.3460G>A
MT-TI: m.4269A>G, m.4274T>C and m.4300A>G
MT-CO1/MT-TS1 precursor: m.7445A>C
MT-TK: m.8344A>G, m.8356T>C, and m.8363G>A
MT-ATP6: m.8993T>C, m.8993T>G, m.9176T>C, m.9176T>G, m.9185T>C
MT-TG: m.10010T>C
MT-ND3: m.10158T>G, m.10191T>C, m.10197G>A
MT-ND4: m.11777C>A and m.11778G>A
MT-TH: m.12147G>A
MT-TS2/MT-TL2: m.12258C>A
MT-TL2: m.12315G>A and m.12320A>G
MT-ND5: m.13513G>A and m.13514A>G
MT-ND6: m.14459G>A and m.14484T>C
MT-TE: m.14674T>C and m.14709T>C


Special Notes: 36 point mutations in 17 mitochondrial genes are analyzed by the newly developed and clinically validated approach of Massively Parallel Sequencing (MPS) using Next Generation sequence technology. Heteroplasmic point mutations as low as 1.5% can be detected. These mutations have been associated with Cardiomyopathy, CPEO, Deafness and/or Diabetes, Kearns-Sayre Syndrome, Leigh/Leigh-like, LHON, MELAS, MERRF, Mitochondrial DNA Multiple Deletions Syndrome, NARP, Pearson Marrow/Pancreas Syndrome.

In general, this test can detect mtDNA mutations in at least 85% patients with primary mtDNA defect.

GeneReviews available for (Leber Hereditary Optic Neuropathy (LHON)), (MELAS), (MERRF), (mtDNA Deletion Syndromes), and (NARP).
Technical Information
Sample & Shipping Information
Test Requisition: Mitochondrial
Specimen Type: Blood
Requirements: Draw blood in an EDTA (purple-top) tube(s) and send 3-5 cc (Adults/Children) and 3 cc (Infant<2yrs).
Shipping Conditions: Ship at room temperature in an insulated container by overnight courier. Do not heat or freeze.


Specimen Type: Skeletal Muscle (Preferred)
Requirements: 50 mg for muscle DNA analysis, 150mg for muscle ETC analysis, >200mg if additional tests are requested.
Shipping Conditions: Skeletal Muscle should be flash frozen in liquid nitrogen at collection with no media added, stored at -80C, and shipped by overnight courier on 3-5 lbs of dry ice.


Specimen Type: Tissue
Requirements: 50 mg of heart, brain, liver, kidney or fibroblast cultures for DNA analysis.
Shipping Conditions: Tissues such as liver and kidney should be flash frozen in liquid nitrogen at collection with no media added, stored at -80C, and shipped by overnight courier on 3-5 lbs of dry ice.


Turn Around Time: 21-28 days
Billing Information
List Price: *For Insurance or Institutional Prices, please call.
CPT Codes: 81465x1


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