Cystic Fibrosis Complete Rare Mutation, Entire Gene Sequence

Message
Collect 1 of the samples below: Whole Blood or Bone marrow: Collect a full tube, following standard venipuncture techniques. Collected in an EDTA (lavender-top), EDTA (royal blue-top), ACD (yellow-top) or sodium heparin (green-top) tube. Specimen stability is crucial. Store and ship room temperature immediately. Do not freeze. Amniotic fluid: 10 mL collected in a sterile, leak-proof container . Specimen stability is crucial. Store and ship at room temperature immediately. Do not refrigerate or freezeFor fetal testing: 1) Please call 1-866-GENE-INFO (1-866-436-3463) prior to submission. 2) Documentation of parental carrier status must be provided. 3) It is required that Maternal Cell Contamination Study, STR Analysis be ordered in conjunction with fetal testing. A separate tube of maternal blood (EDTA) is required for this test.


Test Code
LAB9816 CYSFB


Alias/See Also
CYSFB


CPT Codes
81223

Includes
@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@


Instructions
Processing Instructions (Lab use only): Specimen stability is crucial. Store at room temperature and ship immediately. Send original tube. Do not freeze.Do not hold specimen; forward to laboratory when specimen arrives. Contact performing laboratory for stability determination. For any other sample type call 866-GENE-INFO (1-866-436-3463).Minimum Testing Volume: 3.0 mL whole blood Transport Temperature: Ambient Stability: Whole Blood: Ambient: 14 daysRefrigerated : 14 daysFrozen: N/A Bone Marrow: Ambient: 8 daysRefrigerated : 8 daysFrozen: Unacceptable Fetal Specimens: Ambient: 48 hoursRefrigerated : UnacceptableFrozen: Unacceptable Causes for Rejection: Do not reject. Forward to performing laboratory for evaluation of sample.


Report Available
52-Days


Clinical Significance
1230170436



Last Updated: May 18, 2026


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.