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Soluble Fas Ligand

Important Note

Samples should be drawn Monday - Thursday 04:00 AM - 13:30 PM. (Note: It is acceptable to draw outside these hours. The sample(s) must spun down and frozen within 24 hours of collection)

Clinical System Name

Miscellaneous Test

Synonyms

sFasL

ALPS Biomarker (Soluble Fas-Ligand)

sFas-Ligand

SFASL

Sample Requirements

Specimen: Whole Blood

Container(s): Lavender/EDTA or Red

Preferred Vol: 3.0 mL

Minimum Vol: 1.0 mL

 

Note: Samples should be drawn Monday - Thursday 04:00 AM - 13:30 PM. (Note: It is acceptable to draw outside these hours. The sample(s) must spun down and frozen within 24 hours of collection). Send the sample(s) to the Main Lab immediately. Whole blood samples MUST reach the reference lab within 24 hours of the blood draw.

Processing Instructions

Reject due to: Whole blood sent frozen or refrigerated. Separated plasma/serum sent room temp or refrigerated.

Spin: See Comments Below

Aliquot: See Comments Below

Temp: See Comments Below

** Whole Blood: RT Plasma: -20 C 

Storage Location: If drawn Monday - Thursday between 04:00 AM and 13:30 PM, affix a large Cerner label to whole blood sample(s) and place in the room temperature Send Outs rack. Alert the Send Outs. If drawn during evenings, weekends or holidays, the sample(s) must be spun down and frozen within 24 hours of collection.

 

Off-site Collection: Spin down and freeze plasma/serum. Transport frozen.

Stability

Specimen Type Temperature Time
Whole Blood Room temp 24 h
  Refrigerated Unacceptable
EDTA Plasma Frozen 6 m

 

Availability

STAT Performed TAT
N Every 2 weeks 2 w

 

Performing Laboratory

Cincinnati Children’s Hospital

Diagnostic Immunology Laboratory

DIL - Rm R2328

3333 Burnet Avenue

Cincinnati, OH 45229-3039

 

Phone: (513) 636-4685

Department

Department: Send Outs

Phone: (206) 987-2563

CPT Codes

83520

Methodology

Method: Enzyme-linked immunosorbent assay (ELISA)

Analytical Volume: 1.0 mL Whole Blood OR 0.5 Plasma OR 0.5 mL Serum

Limitations:

Reference Range

Interpretive report is provided.

Send Out Instructions

Reference Test Name: Soluble Fas-Ligand
Reference Test Number: 8154618
Instructions: Ship room temperature overnight via FedEx Priority Overnight to Cincinnati Children's Hospital. Ship on dry ice via FedEx Priority Overnight if the sample is frozen plasma.

 

Special Instructions

Links to:

 

Cincinnati Children’s Diagnostic Immunology Laboratories