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Time Sensitive

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Cytogenetic Test Request Form Recommended (ARUP form #43097)
Ordering Recommendation

Increased number of cells counted/analyzed to rule out low-level mosaicism.

Mnemonic
CHR R/OM
Methodology

Giemsa Band

Performed

Sun-Sat

Reported

3-10 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Green (sodium heparin).

Specimen Preparation

Do not freeze or expose to extreme temperatures. Transport 5 mL whole blood. (Min: 2 mL)

Storage/Transport Temperature

Room temperature.

Unacceptable Conditions

Frozen specimens. Clotted specimens.

Remarks
Stability

Ambient: 48 hours; Refrigerated: 48 hours; Frozen: Unacceptable

Reference Interval

By report

Interpretive Data

Refer to report

Compliance Category

Laboratory Developed Test (LDT)

Note

These studies involve culturing of living cells; therefore, turnaround times given represent average times, which are subject to multiple variables.

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.

Specimen and completed test request form, including clinical indication, must be received within 48 hours of collection.

This test must be ordered using Cytogenetic test request form #43097 or through your ARUP interface. Submit the Patient History for Pediatric/Adult Cytogenetic (Chromosome) Studies with the electronic packing list (https://ltd.aruplab.com/Tests/Pdf/20).

Hotline History
N/A
CPT Codes

88230; 88263; 88291

Components
Component Test Code* Component Chart Name LOINC
0097650 Chromosome Analysis, Rule Out Mosaicism 29770-5
2002207 EER Chromosome Analysis, R/O Mosaicism
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Karyotype
  • Mosaic Chromosome Study
  • Mosaic Down syndrome
  • mosaic study
  • mosaic Turner syndrome
Chromosome Analysis, Rule Out Mosaicism