» LEARN MORE ABOUT COVID-19 VACCINES, TESTING, VISITOR & SAFETY REQUIREMENTS

MyHealth

Manage your account, request prescriptions, set up appointments & more.

LOG IN
Don't have an account
Contact Us
    • see more mega-menu-label
    • see more mega-menu-label
    • see more mega-menu-label
    • see more mega-menu-label
    • see more mega-menu-label
    • see more mega-menu-label
    • see more mega-menu-label

ONCOLOGY ARRAY-BASED COMPARATIVE GENOMIC HYBRIDIZATION

Mnemonic

CGH

Synonym

CGH - CMA - Microarray - Chromosome Microarray - Chromosomal Microarray/Cytogenomic - SNP Microarray - SNP Array - Genomic Microarray - Oncology Array - Cancer Array - Oncology Copy Number Analysis

Guidelines

Array-based comparative genomic hybridization for copy number imbalances and loss of heterozygosity in oncology. Used to assist in the diagnosis, prognosis, and classification of solid tumors and hematological malignancies.

Specimen Collection Requirements

Collect

Bone Marrow: Dark Green (Sodium Heparin) AND Lavender (EDTA) 3-5 mL each tube.

Whole Blood: Dark Green (Sodium Heparin) AND Lavender (EDTA) 3-5 mL each tube.

Solid Tumor: 20 mg (4 mm x 4 mm), sample obtained and transported aseptically in sterile medium; RPMI or saline. The transport container must be sterile. Do NOT place in formalin.

Handling

Do not refrigerate, freeze or expose to extreme temperatures. Keep specimen at ambient temperature and transport within 24 hours. Maintain sterility, do not split specimen or open tube.
DO NOT PLACE IN FORMALIN.
 

Preferred Volume

Bone Marrow: 3-5 mL each tube 
Whole Blood: 3-5 mL each tube
Solid Tumor: 20 mg sample
 

Minimum Volume

Bone Marrow: 1.0 mL each tube 
Whole Blood: 1.0 mL each tube 
Solid Tumor: 20 mg sample
 

Transport

At room temperature within 24 hours

Rejection Criteria

Specimens collected in formalin.

Specimens should only be rejected by Cytogenetics staff.

Stability

Ambient: 24 hours 
Refrigerated: Suboptimal, call Cytogenetics (503) 413-4613
 

Testing Information

Performed

Weekly

Reported

Bone Marrow: 2-3 weeks
Whole Blood: 2-3 weeks
Solid Tumor: 1-2 weeks
 

Method

Array-Based Comparative Genomic Hybridization

Referral Lab

Interpretation provided.

Reference Values

CPT Codes

81406

Last Updated: Thursday, March 14, 2019 12:50:58 PM


Client Services: 503-413-1234