CHROM ANALYSIS
Chromosome Analysis, Blood
EPIC Test Procedure Code: LAB4703
Synonyms:
Karyotype, blood
Performing Lab:
Referral Laboratory
Required Patient Info:
The requisition needs to have clinical indications.
Container Type:
Green top (sodium heparin) tube NO GEL
Specimen Type:
Whole blood
Preferred Volume:
7 mL
Minimum Volume:
2 - 3 mL (for infants)
Collection Procedure:
1. Other coagulants may be harmful to the viability of the cells.
2. Label the tubes with the patient's name and laboratory identification number.
3. If postmortem specimen, obtain by cardiac puncture within one hour.
4. Complete a "Postnatal Test Requisition" and forward it with the specimen.
Store and Transport:
Room temperature
Unacceptable Condition:
Specimen cannot be clotted, hemolyzed, frozen or have gel.
CPT Codes:
88230 - Chromosome Culture, Blood (EAP 31131165)
88262 - Chromosome Karyotype Blood (EAP 31131161)
Reference Ranges:
Please refer to the performing lab report for applicable reference ranges