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HelpTest Code CGSK Chromosome Analysis, skin biopsy
Specimen and Container/Tube
Skin in a sterile specimen cup with transport media (provided by the laboratory upon request) or sterile saline.
Rejection Criteria
>24 hours old, samples exposed to extreme temperatures or fixatives
Reference Values
Interperative Report
Critical Values
N/A
Turnaround Time
N/A
CPT Codes
88233, 88262, 88280
LOINC Codes
N/A
Last Review Date
12/8/2022
Volume
Preferred: 3 mm x 3mm skin punch or skin section
Collection Instructions
Specimen should be collected in a sterile specimen cup with transport media (provided by the lab) or sterile saline. Refrigerate at 4°C and deliver to laboratory within 24 hours of specimen collection.
Specimen Stability
Refrigerate at 4°C and deliver to laboratory within 24 hours of specimen collection.
Additional Information
Test Limitations: Will not detect submicroscopic or molecular mutations, chromosomal abnormalities below the stated resolution, or low levels of mosicism.
Clinical Indications
Diagnosis of mosaic congenital chromosome abnormalities, including mosaic aneuploidy and mosaic structural abnormalities.
Specimen Handling & Transport Instructions
Refrigerate at 4°C and deliver to laboratory within 24 hours of specimen collection.
Test Components
Tissue Culture; Chromosome analysis; Karyotype
Methodology
Culture and Giemsa Band
Synonyms/Key Search Words
Karyotype; Chromosomes