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Laboratory Test Directory

Endothelin 1, CSF

Components

Name Method Department Units
Endothelin 1, CSF Radioimmunoassay
Send Out pg/mL

Specimen Requirements

CSF

Container Type Container Size Specimen Volume
Preferred

CSF tube

N/A 3 mL
Stability

Frozen - 3 month(s)

Specimen Preparation

  • Freeze immediately after collection.
  • Transport to laboratory as soon as possible

Reasons for Rejection

  • Wrong type of specimen
  • Wrong collection tube

Comments

Patient should not be on any ACTH, Corticosteroid, or hypertension medications, if possible, for at least 48 hours prior to collection of specimen.

CPT Code

  • 83519