Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

CHROMOSOME CVS

ORDERING INFORMATION:
Sunquest Test Code:
CVSCR      Geisinger Epic Procedure Code: CVSCR         Geisinger Epic ID: 29285

SPECIMEN COLLECTION
Specimen type:
Chorionic villus specimen
Preferred collection container:
Specimen required:
40 mg chorionic villus sample; minimum 20 mg.
Special notes:
Collect in sterile specimen container with Hanks' solution or Ringer's solution or sterile container with culture medium or antibiotics.

SPECIMEN PROCESSING
Specimen processing instructions:
Use a sterile container with Hanks' or Ringer's solution or culture medium with antibiotics. 
Transport temperature:
Room temperature.
Rejection criteria:
Frozen specimen unacceptable.

TEST DETAILS
Reference interval:
Interpretive report.
Additional information:
Clinical indications for chorionic villus sampling include maternal age and history of chromosome abnormalities. A chorionic villus sample (CVS) is obtained either transabdominally or transcervically to perform prenatal chromosome analysis for fetal karyotype. Specimen containing chorionic villi is evaluated, dissected, disaggregated, and set into tissue culture. Twenty metaphases, if available, from at least two cultures are analyzed. Maternal cell contamination is a frequent finding in CVS cultures. CVS specimens contain tissue of both maternal and fetal origin. In the laboratory, the submitted specimen is grossly dissected to determine if there is fetal tissue available for culture. If no fetal tissue is identified, the client will be notified and the test canceled and replaced with test 416 Cytogenetics Communication. If tissue culture for the specimen is unsuccessful, due to no growth or contamination, the test will be canceled and replaced by Quest Test Code 14819 - Prenatal Specimen Culture.
CPT code(s):
88235, 88267, 88280
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Chorionic villus sample, chromosome.
Methodology:
Culture
Microscopic Examination

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Monday-Saturday morning    
Performed stat? No
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