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Chromosomal Microarray Analysis, Constitutional, Peripheral Blood

Chromosomal Microarray Analysis, Constitutional, Peripheral Blood

Alternate Test Name

Array Comparative Genomic Hybridization (aCGH), Constitutional; Microarray, Chromosome (CGH), Chromosomal Microarray

Epic Mnemonic
Sunquest Mnemonic

LAB2471
CHMAR

Category

Sendouts

Methodology

Array comparative genomic hybridization (aCGH)

Test Performance Schedule

Weekly

Result Availability

10 – 14 days

Specimen Required

Container

Lavender top (EDTA) tube

Volume

Pref. Vol.: 6.0 mL
Min. Vol.: 2.0 mL

Collection Instructions


• Routine venipuncture
• Gently invert tube to mix blood with the anticoagulant
• Do not centrifuge
• Do not remove plasma from cells
• Forward entire tube of unprocessed whole blood to the laboratory

Transportation Instructions

Room Temperature

Stability

• Room Temperature: 3 days
• Refrigerated: Unacceptable
• Frozen: Unacceptable

Causes for Rejection

Refrigerated, frozen or clotted specimens

Remarks

Insurance authorization is required in most cases. Please submit authorization number with order

CPT Codes

81229

Effective/Revised

8/20/2019

 

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