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Test Code FHLPnl UM FHL Sequencing Panel

Important Note

This test had been discontinued by PreventionGenetics. 

Please refer to Familial Hemophagocytic Lymphohistiocytosis (FHLH) Panel performed through University of Washington Laboratory.


Please contact the Seattle Children’s Laboratory Genetic Counselors at 206-987-5400 or if there are questions.


Clinical System Name

FHL Sequencing Panel



Familial Hemophagocytic Lymphohistiocytosis



Sample Requirements

Specimen: Whole Blood

Container(s): Lavender Top/EDTA, Yellow/ACD

Preferred Vol: 5 mL

Minimum Vol: 2 mL


Specimen: DNA

Container(s): Sterile plastic tube

Preferred Vol: 15μg at a concentration of 20 μg/ml

Minimum Vol:


Notes: DNA may be shipped at room temperature.Label the tube with the DNA concentration as well as the patient name, date of birth, and/or ID number.  Specify the composition of the solute.

Processing Instructions

Reject due to:

Spin: N

Aliquot: N

Temp: 2-8 C

Storage location: Refrigerate blood in CPA refrigerator Sendouts rack.


Off-site collection: Send whole blood refrigerated.


Specimen Type Temperature Time
Whole blood Room temp 48 h
Whole blood Refrigerated 7 d
Whole blood Frozen N
Extracted DNA Room temp 3-4 d
Extracted DNA Refrigerated 1 y
Extracted DNA Frozen Indefinitely



N 6 w


Performing Laboratory

Prevention Genetics


Department:  Prevention Genetics, 3700 Downwind Dr, Marshfield, WI 54449

Phone Number: (715) 387-0484


Reference Range

Interpretive report is provided.


Method: Sequencing is performed separately in both the forward and reverse directions.

Analytical Volume:


CPT Codes

81404x1, 81479x6                         (updated 2/16/2015 by sstasi) 

Clinical Utility

Clinical utility.

Send Out Instructions

Reference Test Name: Familial Hemophagocytic Lymphohistiocytosis (FHL) Sanger Sequencing Panel 
Reference Test Number: 215
Instructions: Ship whole blood overnight, ambient temperature. PreventionGenetics accepts Saturday delivery.