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HelpSoluble Fas Ligand
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: The sample(s) must spun down and frozen within 24 hours of collection. Send the sample(s) to the Main Lab immediately.
Processing Instructions
Reject due to: Whole blood sent frozen or refrigerated. Separated plasma/serum sent room temp or refrigerated.
Spin: Spin and aliquot
Temp: -20 C
Storage Location: 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 on dry ice via FedEx Priority Overnight. Room temp is acceptable if whole blood is sent same day. |