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Labcorp Oklahoma, Inc.
Test Directory


Index:

Chromosome Analysis, High Resolution

Order Name CHROMO HI
Test Number: 0112875
Revision Date 03/06/2024
Test Name Methodology LOINC Code
Chromosome Analysis, High Resolution
Karyotype  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 5 mL (3 mL) Whole Blood Sodium Heparin (Green Top / No-Gel) Room Temperature
Instructions Collect: 3-5 mL peripheral blood in sodium heparin (green) for children and adults; 1-2 mL peripheral blood in sodium heparin (green) for newborns
(Minimun Collection: 1 mL for newborns; 2 mL for children and adults)
Transport: peripheral blood in sodium heparin (green) at Room Temperature 20-25'C
Stability: Ambient: 24 hours; Refrigerated: 72 hours; Frozen: unacceptable
Unacceptable Conditions: Frozen or clotted specimens; specimens in anticoagulants other than sodium heparin.
GENERAL INFORMATION
Testing Schedule Mon-Sat 
Expected TAT 12-16 days after set-up  
Clinical Use Appropriate for multiple congenital anomalies, mental retardation, family members of patients with subtle chromosomal abnormalities, couples with histories of two or more fetal losses or infertility problems. 
Notes Reference Lab - Genetic Center at Saint Francis
CPT Code(s) 88230; 88262; 88289; 88291
Lab Section Reference Lab