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Item Value
Approval req'd? No
Available Stat? No
Test code SCN
Performed by Quest
Sendout? Yes
Method Colorimetric
Container type Red top (Gold top NOT acceptable)
Amount to Collect 4 mL blood
Sample type Serum
Preferred volume 2 mL serum
Min. Volume 1 mL serum
UCSF Rejection Criteria Collected in Gold top
Processing notes Separate serum immediately and freeze in a plastic transport vial at -20C. Order Quest # 879X
Units mg/dL
Normal range
Non-smokers < 0.4 mg/dL
Smokers < 2.0 mg/dL
Nitroprusside infusion < 2.9 mg/dL
Toxic > 10 mg/dL
Turn around times Test run Monday-Friday. Turnaround time: 1-4 days.
Additional information To convert mg/dL to µmol/L (SI units) multiply by 172.
CPT coding 84430-90
LOINC code 3002-3
Last Updated 10/28/2013 11:48:58 AM
Entry Number 898
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