ARUP's Laboratory Test Directory

Chromosome Analysis, Rule Out Mosaicism : 2002287
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Time Sensitive
[ image for: Patient History for Pediatric/Adult Cytogenetic (Chromosome) Studies]
Patient History for Pediatric/Adult Cytogenetic (Chromosome) Studies


Mnemonic: CHR R/OM

Methodology: Giemsa Band
Performed: Sun-Sat
Reported: 3-10 days
Specimen Required: Collect: Green (sodium heparin).

Specimen Preparation: Do not freeze or expose to extreme temperatures. Transport 5 mL whole blood. (Min: 2 mL) Specimen and completed test request form, including clinical indication, must be received within 48 hours of collection.

Storage/Transport Temperature: Room temperature.

Remarks: This test must be ordered using Cytogenetic test request form #43097 or through your ARUP interface. Submit the Patient History for Cytogenetic (Chromosome) Studies with the electronic packing list (available at http://www.aruplab.com/guides/ug/tests/2002287.jsp).

Unacceptable Conditions: Frozen specimens. Clotted specimens.

Stability (collection to initiation of testing): Ambient: 48 hours; Refrigerated: 48 hours; Frozen: Unacceptable
Reference Interval:
By report
Interpretive Data: Counseling and informed consent are recommended for genetic testing. Consent forms are available online at www.aruplab.com.
Note: These studies involve culturing of living cells; therefore, turnaround times given represent average times which are subject to multiple variables. After specimen receipt, results are generally available in an average of 12 days.

A processing fee will be charged if this procedure is canceled at the client's request, after the test has been set up, or if the specimen integrity is inadequate to allow culture growth.
CPT Code(s): 88230; 88263; 88280; 88285; 88291
Cross References: 45,X, 45X, Down syndrome, Down’s syndrome, Downs syndrome, Edward’s, Edwards, karyotype, Karyotype (Chromosome Analysis, Rule Out Mosaicism), karyotypes, Kleinfelter syndrome, Klienfelter syndrome, Klinefelter syndrome, monosomy, mosaic, Pateau, sex chromosome, T13, T18, T21, trisomy, trisomy 13, trisomy 18, trisomy 21, Turner syndrome, Turner’s syndrome, Turners syndrome, XO, XXY syndrome, XYY syndrome