24-48 hours after setup at PeaceHealth Laboratories’ reference lab.
CPT Code:
82600-90
Specimen Collection Details
Collection:
Draw only on Monday-Thursday. One 10 mL green top tube (sodium heparin). Do not use plasma separator tube (PST) or gel barrier tube. Lavender top tube (EDTA) can be used with disclaimer only.
Handling:
Leave as whole blood; do not refrigerate or freeze.
Stability:
48 hours ambient if kept tightly capped. Specimen unstable refrigerated or frozen.
Standard Volume:
7 mL whole blood.
Minimum Volume:
2 mL whole blood.
Transport:
Ambient.
Rejection Criteria:
Clotted specimen; hemolysis; use of PST, SST, or gel barrier tube.
Normal:
Potentially Toxic:
<20 ug/dL
>50 ug/dL
Elevated values seldom indicate toxicity for patients on nitroprusside therapy.
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