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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   

Description

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

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

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Core Chemistry

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

Synonyms

ASA (Salicylate - Aspirin) Blood

Aspirin

SALIC

LAB34

Availability

STAT Performed TAT
Y 24/7 1 h

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

CPT Codes

80329

Critical Results

> 40 mG / dL