Days Set Up
Monday - Friday, 8:00am - 4:00pm. Call the laboratory at 763-5805 for additional information.
Analytic Time

3 - 6 weeks

MiChart Code
Cytogenetics, Chromosome Analysis, Tissue for Genetic Disorder (Non-Maligna
Soft Order Code
CGNTI

Test Updated:

Synonyms

Cytogenetics, Tissue
Chromosome Analysis, Skin Punch
CGNTI
Karyotype, Tissue
CGLABEL
GENERIC CYTOGENETICS TEST
Chromosome Analysis, Tissue for Genetic Disorder (Non-malignant)
TISSUE
TCI
TISSUE CULTURE-TISSUE
Chromosome Analysis, Skin Biopsy

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

Cell culture and chromosome analysis. Fluorescence In Situ Hybridization (FISH) when indicated.

Test Usage

Evaluation of congenital malformations, still birth, mental retardation, growth retardation, infertility, cryptochidism, hypogonadism, amenorrhea (primary), abnormal or ambiguous genitalia, recurrent miscarriage, Turner syndrome, Klinefelter syndrome, Down syndrome, and other suspected chromosomal disorders.

Reference Range

Interpretive report provided.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Obtain skin biopsy. Use alcohol to cleanse skin; do not use betadine. If betadine must be used, wash betadine from skin with alcohol prior to biopsy. Place full-thickness punch biopsy in Chromosome Media (may be obtained from Specimen Processing). Please complete a MiChart test request and submit it with the specimen. A Cytogenetics Laboratory Requisition is available online at: http://www.pathology.med.umich.edu/handbook/Tables/UM_REQ_CYTOGENETICS….

Collection Offsite

Specimen transport should be arranged so that the specimen is received by MLabs the same day it is collected. Call for a STAT courier if necessary. Obtain skin biopsy. Use alcohol to cleanse skin; do not use betadine. If betadine must be used, wash betadine from skin with alcohol prior to biopsy. Place full-thickness biopsy in Chromosome Media, available from MLabs.

Minimum Volume
 

Billing Information

CPT Code
88262 Chromosome Analysis, 88233 Tissue Culture
Pro Fee Code
 
LOINC
 

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.