Constitutional Chromosomal Microarray (Copy Number/SNP) with Limited G-band Analysis
Abbrev Code: | CGSNPL | ||
Order Code: | LAB6601 | Order Name: | Constitutional Chromosomal Microarray (Copy Number/SNP) with Limited G-band Analysis |
Synonyms: | CGH SNP LHR; Comparative Genomic Hybridization (CGH) with Sigle Nucleotide Polymorphism (SNP Array) with Limited G-bands; CMA (Chromosomal Microarray), Congenital, Constitutional; CGH with SNP with G-Band; Microarray with SNP | ||
Methodology: | Chromosomal microarray (CMA) with limited chromosome analysis by G-banding | ||
CPT Codes: | 81229 x1, x1, G0452 x1, 88261 x1, 88230 x1, 88233 x1 | ||
Turnaround Time: | Results are reported within 7-21 days. | ||
Special Instructions: | Test request form requires:
A signed informed consent in the patient's medical record is required. The consent should not be sent to the laboratory. The link to the Genetic Testing Consent Form is provided as a convenience for the providers and genetic counselors. See Associated Links. |
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Associated Links: |
Collection Instructions
Specimen: | Whole blood; Skin Biopsy, Products of Conception (POC)
Alternative: Cord blood Whole blood: Both a green (sodium heparin, no gel) tube AND a purple (EDTA) or yellow (ACD) tube must be collected. (Yellow tube is an alternate to the EDTA only.) |
Optimal Volume: |
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Minimum\Peds Volume: |
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Container: | Plastic leakproof container, sterile, Green (sodium heparin, no gel) AND Purple (EDTA) Alternate Containers: Yellow (ACD, Solution A) tube available from laboratory |
Collection Instructions: |
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Causes for Rejection: | Clotted or frozen sample. Incorrect specimen collection tube (anticoagulant). |
Processing and Shipping
Specimen Processing: | Do not process. Store at room temperature. Do not refrigerate or freeze.
Specimens must be received in the Cytogenetics Laboratory Mon-Fri by 5:30 pm; weekends or holidays by 4:30 pm. Specimens received after these cutoffs will be processed the following day. |
Shipping Instructions: | Ship at room temperature. |
Stability: | For optimal testing results the specimen must arrive within 24 hours of collection. |
Test Performed at or Referral Lab | Cytogenetics (UMMC East Bank) |
Interpretive
Reference Range: | By report. |
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