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Test Code LAB34 Salicylate Level     

Important Note

No add-ons after 8 hours of collection if specimen is still on gel separator.

Clinical System Name

   Salicylate Level   

Synonyms

ASA (Salicylate - Aspirin) Blood

Aspirin

SALIC

LAB34

Sample Requirements

Specimen: Whole Blood

Container(s): Lt. Green/Mint Top Lithium Heparin, Lt. Green/Lithium Heparin Microtainer, Gold SST, Gold Microtainer, Dark Green/Sodium Heparin, Red

Preferred Vol: 1.0 mL

Minimum Vol:  0.5 mL

 

Note: Test is not affected by slight to moderate hemolysis.

Processing Instructions

Reject due to: Age of Specimen

Spin: Y

Aliquot: Y

Storage location: Core 5 Chemistry Refrigerator

 

Off-site collection:  Specimen should be centrifuged within 2 hours of collection. Spin blood and transfer serum or plasma to plastic tube and refrigerate or freeze.

Stability

Specimen Type Temperature Time
Serum or Plasma RT

≤ 7 d
Serum or Plasma 2-8 C

≤ 7 d
Serum or Plasma -20 C or -70 C

≤ 6 m

Availability

STAT Performed TAT
Y 24/7 1 h

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Core Chemistry

Phone Number: 206-987-2617 (Client Services)

CPT Codes

80329

Methodology

Method:  Colorimetric method by Vitros 4600

Analytical Volume:  0.02 mL + 0.03 mL dead space

Reference Range

  mG / dL
Therapeutic (Antipyretic or Analgesic) 2 - 10
Therapeutic (Anti-Inflammatory) 10 - 25
Toxic > 40

Description

Salicylate measurements are used in the diagnosis of salicylate overdose and in monitoring salicylate therapy.

Critical Results

> 40 mG / dL