CHROMOSOME ANALYSIS, HIGH RESOLUTION

Synonyms: Karyotype; Routine G-Banding
Computer Code: (CHROM)
Specimen Collection: Child: 2-5 mL whole blood (less for newborn) in sodium heparin (green top) tube. Adult: 5-10 mL whole blood in sodium heparin (green top) tube.
Minimum Volume:
Handling Instructions for Offsite Areas: Maintain whole blood, unspun at room temperature. Lab will attempt small quantities.
Reference Values: See reference laboratory report.
Lab Code: Send Out
Requisition: INPATIENT CYTOGENETIC REQUISITION
Test Frequency: NA
Routine TAT: 14 days
Stat TAT: N/A
CPT Code(s): 88230, 88262, 88289, 88291
LCD or NCD:
Methodology Used:
See Addendum XVII