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Cytogenetics

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CAP/ACMG FISH, CONST/HEMAT DISORDERS - CYF

CYF

Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS).

Disease/Procedure	Challenges per Shipment		Number of Shipments
	A	B

Constitutional and Hematologic Disorders			Two shipments per year
FISH for constitutional disorder - slides	1	1
FISH for constitutional disorder - dry challenge	2	2
FISH for hematologic disorder - slides	1	1
FISH for hematologic disorder - dry challenge	2	2

Additional Information

CYF 2025-A:
Constitutional disorder (two slides) - SRY
Hematologic disorder (two slides) - 20q del*1

CYF 2025-B:
Constitutional disorder (two slides) - (HIRA (TUPLE1))
Hematologic disorder (two slides) - (CBFB*2)
¹For this challenge, participants should use the probe set used to interrogate deletion of 20q12 in their laboratories.
²For this challenge, participants should use the probe set used to interrogate CBFB rearrangements in their laboratories.

CYF is prepared from cell suspension samples. For FISH in paraffin-embedded tissues, see programs CYH, CYJ, CYK, CYL, and CYALK.
This program is only for laboratories that perform both hybridization and interpretation under the same CLIA number.

Program Information

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