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HelpTest Code CGPOC Chromosome Analysis, products of conception
Specimen and Container/Tube
Products of conception (Chorionic villi) or other fetal tissues collected in a sterile specimen cup w/ transport media (provided by the lab) or sterile saline.
Rejection Criteria
Formalin fixed tissue cannot be processed by the laboratory; Non-pregnancy tissue (at the discretion of the section director or supervisor)
Reference Values
Interperative Report
Critical Values
N/A
Turnaround Time
N/A
CPT Codes
88233, 88262, 88280
LOINC Codes
N/A
Specimen Stability
Refrigerate at 4°C and deliver to laboratory within 24 hours of specimen collection.
Volume
Preferred: 100+mg of tissue
Minimum: 40mg of tissue
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.
Last Review Date
12/8/2022
Additional Information
Test Limitations: Will not detect submicroscopic or molecular mutations, chromosomal abnormalities below the stated resolution, or low levels of mosicism.
Clinical Indications
Indication for chromosome analysis of products of conception include: pregnancy loss of unknown etiology; fetal anomalies; parental chromosome abnormality; clarification of ambiguous chromosomal findings; detection of chromosome rearrangements; failiure of tissue to grow in culture.
Specimen Handling & Transport Instructions
Refrigerate at 4°C and deliver to laboratory within 24 hours of specimen collection.
POC speimen can be tubed to J-601 (Tube station #461)
Test Components
Tissue Culture, Chromosome analysis; Karyotype
Methodology
Culture and Giemsa Band
Synonyms/Key Search Words
Karyotype; Chromosomes