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Test Code SALCA Salicylate, Serum

Reporting Name

Salicylate, S

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

Quantitative determination of toxic levels of salicylate

 

This test is not useful for assessing low-dose aspirin therapy.

Method Name

Photometric


Specimen Required


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions:

1. Serum gel tubes should be centrifuged within 2 hours of collection.

2. Red-top tubes should be centrifuged, and the serum aliquoted into a plastic vial within 2 hours of collection.


Specimen Type

Serum

Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 7 days
  Frozen  28 days
  Ambient  72 hours

Reject Due To

Gross hemolysis Reject

Reference Values

Therapeutic: <30.0 mg/dL

Critical value: ≥50.0 mg/dL

Interpretation

Therapeutic concentrations for antipyretic/analgesic are 3.0 to 10.0 mg/dL, while concentrations between 1.5 and 30 mg/dL are for anti-inflammatory effect and treatment of rheumatic fever.

 

Toxic concentrations are 50.0 mg/dL or higher.

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 day

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

80179

LOINC Code Information

Test ID Test Order Name Order LOINC Value
SALCA Salicylate, S 4024-6

 

Result ID Test Result Name Result LOINC Value
SALCA Salicylate, S 4024-6