Test ID: FCSP
Chromosome Anomalies, Unspecified Miscellaneous with Chromosome-Specific FISH Probes
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
Useful For Suggests clinical disorders or settings where the test may be helpful
As an adjunct to conventional chromosome studies, to resolve unusual or complex structural alterations, questionable mosaicism, and unbalanced chromosome abnormalities that cannot be resolved by studies on other family members
To diagnose certain disorders caused by a deletion or duplication of a given chromosome region
To identify unbalanced structural abnormalities in cases where this information is needed more rapidly than conventional chromosome analysis can supply (eg, situations where genetic counseling is needed quickly to decide treatment, but conventional cytogenetic studies would require studying multiple family members)
To help establish the origin and centromeric make up of dicentric or marker chromosomes
In suboptimal chromosome preparations, FISH can help confirm the results of conventional chromosome analysis
To determine whether a child’s deletion or duplication detected via aCGH is de novo or inherited
Reflex Tests Lists test(s) that may or may not be performed, at an additional charge, depending on the result and interpretation of the initial test(s)
| Test ID | Secondary ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|---|
| ADD1F | 80024 | One Additional FISH Probe | No | No |
| ADD2F | 80025 | Two Additional FISH Probes | No | No |
| ADD4F | 80026 | Four Additional FISH Probes | No | No |
| ADD3F | 87825 | Three Additional FISH Probes | No | No |
| ADD5F | 87826 | Five Additional FISH Probes | No | No |
| ADD6F | 87827 | Six Additional FISH Probes | No | No |
| ADD7F | 87828 | Seven Additional FISH Probes | No | No |
| ADD8F | 87829 | Eight Additional FISH Probes | No | No |
| ADD9F | 87830 | Nine Additional FISH Probes | No | No |
| ADD10 | 87831 | Ten Additional FISH Probes | No | No |
| ADD11 | 87832 | Eleven Additional FISH Probes | No | No |
| ADD12 | 87833 | Twelve Additional FISH Probes | No | No |
| 14FP | 89714 | Fourteen Additional FISH Probes | No | No |
| 13FP | 89741 | Thirteen Additional FISH Probes | No | No |
| 15FP | 89715 | Fifteen Additional FISH Probes | No | No |
| 16FP | 89716 | Sixteen Additional FISH Probes | No | No |
| 17FP | 89717 | Seventeen Additional FISH Probes | No | No |
| 18FP | 89718 | Eighteen Additional FISH Probes | No | No |
| 19FP | 89719 | Nineteen Additional FISH Probes | No | No |
| 20FP | 89720 | Twenty Additional FISH Probes | No | No |
Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.
When this test is ordered, 2 FISH probes are included. If further probes are needed, they will be added at an additional charge.
Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test
Method Name A short description of the method used to perform the test
Fluorescence In Situ Hybridization (FISH) Using DNA Probes
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Aliases Lists additional common names for a test, as an aid in searching
Parental CGH follow up
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