CHRTI - Overview: Chromosome Analysis, Skin Biopsy

Test Catalog

Test Name

Test ID: CHRTI    
Chromosome Analysis, Skin Biopsy

Useful For Suggests clinical disorders or settings where the test may be helpful

Diagnosis of mosaic congenital chromosome abnormalities, including mosaic aneuploidy and mosaic structural abnormalities


Subsequent chromosome analysis when results from peripheral blood are inconclusive

Reflex Tests Lists tests that may or may not be performed, at an additional charge, depending on the result and interpretation of the initial tests

Test IDReporting NameAvailable SeparatelyAlways Performed
_M15AMetaphases, 1-14No, (Bill Only)No
_M19Metaphases, 15-20No, (Bill Only)No
_MG19Metaphases, >20No, (Bill Only)No
_KTG2Karyotypes, >2No, (Bill Only)No
_STACAg-Nor/CBL StainNo, (Bill Only)No

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

This test includes a charge for cell culture of fresh specimens and professional interpretation of results. Analysis charges will be incurred for total work performed, and generally include 2 banded karyograms and the analysis of 20 metaphase cells. If no metaphase cells are available for analysis, no analysis charges will be incurred. If additional analysis work is required, additional charges may be incurred.


Special Instructions and Forms Library of PDFs including pertinent information and consent forms, specimen collection and preparation information, test algorithms, and other information pertinent to test

Method Name A short description of the method used to perform the test

Cell Culture followed by Chromosome Analysis

NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name A shorter or abbreviated version of the Published Name for a test; an abbreviated test name

Chromosomes, Skin Biopsy

Aliases Lists additional common names for a test, as an aid in searching

Chromosome Analysis, Skin Biopsy
Chromosome Analysis, Tissue Biopsy
Karyotype, Skin Biopsy
Karyotype, Tissue Biopsy