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Test Code CholA Cholestanol Level

Clinical System Name

Cholestanol Level


Cerebrotendinous xanthomatosis

CTX gene

Sample Requirements

Specimen: Whole Blood

Container(s): Lavender/EDTA (preferred) or Dark Green/Sodium Heparin

Preferred Vol: 3 mL

Minimum Vol:


Note: Deliver to the Lab immediately for same-day shipment.


Processing Instructions

Reject due to:

Spin: See Comments Below

Aliquot: See Comments Below

Temp: Whole Blood: RT,Plasma: -20 C

Storage location: If drawn M - Th between 4 am and 1330 pm then affix large Cerner labels to whole blood tube(s) and place in room temp send-outs rack. Alert Send-outs team. If drawn evenings, weekends or holidays sample must be spun down within 24 hours and plasma frozen.


Off-site collection: Spin down and freeze plasma. Transport frozen.


Specimen Type Temperature Time
Whole Blood Room temp 24 h
  Refrigerated N
plasma Frozen Y



STAT Performed TAT
N   2 w


Performing Laboratory

Kennedy Krieger Institute


Kennedy Krieger Institute

Room 530, 707 N Broadway
Baltimore, MD 21205
(443) 923-2760



Analytical Volume: 2 mL whole blood, 1 mL plasma


CPT Codes


Send Out Instructions


Reference Test Name:


Reference Test Number:  
Instructions: Ship whole blood ambient the same day of collection. Plasma should be shipped frozen by Fed Ex to arrive on weekdays only.