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SALICYLATE ACID LEVEL
Test CodeLAB34
CPT Codes
80307
Preferred Specimen
One 6 mL red top tube
Pediatric: One red top microtainer
Pediatric: One red top microtainer
Other Acceptable Specimens
Dark green top tube
Instructions
Sample must be centrifuged within two hours of collection. Serum/plasma (red or dark green top tube) must be removed from the red cells and put into aliquot tubes following centrifugation.
Transport Temperature
Refrigerated
Specimen Stability
Unstable, centrifuge within two hours of collection
Ambient: 8 hours
Refrigerated: 14 days
Frozen: 6 months
Ambient: 8 hours
Refrigerated: 14 days
Frozen: 6 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Samples drawn in a tube with a separator gel will be rejected. The separator gel may cause falsely lower results.
Methodology
Enzymatic/ Colorimetric
Setup Schedule
Sunday-Saturday
Reference Range
15-30 mg/dL
Toxic (Critical Value): ≥50 mg/dL
Toxic (Critical Value): ≥50 mg/dL
Clinical Significance
Salicylate levels are drawn when toxicity is suspected. Peak levels occur 2 hours after ingestion, but levels may not begin to rise until 5-6 hours after ingestion. Serum levels should be measured every 2 hours until 2 consecutive levels show a decrease from the peak measurement.
Consider monitoring for changes in renal function, potassium, and bleeding.
Consider monitoring for changes in renal function, potassium, and bleeding.
Performing Laboratory
West Virginia University Hospital, Inc.
Bluefield Pavilion Campus Berkeley Medical Center Barnesville Hospital Braxton County Memorial Camden Clark Medical Center Camden Clark Medical Center Fairmont Medical Center Garrett Regional Medical Center Harrison Community Hospital Jackson General Hospital Jefferson Medical Center Princeton Community Hospital Potomac Valley Hospital Reynolds Memorial Hospital Summersville Regional Medical Center St. Joseph’s Hospital United Hospital Center Uniontown Hospital Wetzel County Hospital Wheeling Hospital
