Salicylate

Label Mnemonic:	SAL
Epic code:	LAB34
Order form:	Laboratory Requisition
Supply order:	Supply Order Form
Billing:	Billing Policies
CPT code:	80329-80331

Specimen(s):

Plasma

Collection Medium:

Plasma Separator Tube 4.5 mL

Alternate Collection Media:

Call laboratory for additional acceptable specimen collection containers.

Minimum:

3 mL; light green top tube or ONE Microtainer^®.

Testing Schedule:

24 hrs/day, 7 days a week, including holidays.

Turn Around Time:

1 hour (upon receipt in laboratory)

Reference Range:

Therapeutic <30 mg/dL

Acute toxic >50 mg/dL
Chronic toxicity may occur with levels <40 mg/dL

Critical value > 50 mg/dL.

Test Limitations:

Hemolysis: No significant interference up to an H index of 800.

Lipemia: No significant interference up to an L index of 200. Note there is poor correlation between turbidity and triglyceride concentration.

Icterus: No significant interference up to an I index of 23 (approximate conjugated and unconjugated bilirubin concentration: 23 mg/dL).

Methodology:

Colorimetric

Sample Processing:

Centrifuge at a speed and time necessary to get barrier separation of plasma/serum and cells within 1 hour of collection. Send specimen in original tube. Do Not transfer to another tube.
Each sample must be labeled with at least TWO full patient identifiers (First/Last Name & DOB are sufficient for non-UIHC affiliated clients) to avoid sample rejection/delays.

Sample Storage:

Refrigerate.

Transport Instructions:

Place labeled specimen into zip-lock type biohazard bag; seal bag.
Place completed requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.

CPT Code:

80329-80331

See Additional Information:
Chemistry Critical Lab Values