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Test Code LAB4186 SALICYLATE LEVEL

Specimen Type

Preferred Specimen: Lithium Heparin Plasma (Mint Green Top, Dark Green Top)
Alternative Specimen: Serum (SST, Gold, Corvac, Tiger, Red Top Tube) EDTA Plasma (Lavender Top)

Specimen Volume

1 mL

Minimum Volume

0.5 mL

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Schedule

Daily

Sample Stability

Refrigerated: 14 days

Frozen: 6 months

Method

Colorimetric

Reference Ranges

Salicylates mg/dL; 2.0-30.0 mg/dL

      Analgesia 2.0-10.0

      Anti-inflammatory 10.0-30.0

      Toxic Greater Than 30.0

Individuals on chronic administration may be asymptomatic at levels up to 500 µg/mL.

Synonyms

Salicylic Acid; Acetylsalicylic Acid; Aspirin

Test Components

Salicylates, mg/dL.

CPT Codes

80179

Test Limitations

Studies have shown that therapeutic drug levels may be altered in serum/plasma that remains in contact with separator gel. Therapeutic drug levels collected in an SST or PST should be run within 24 hrs of collection.