Caffeine, Serum or Plasma CAFFE

Method(s) Quantitative Enzyme Multiplied Immunoassay Technique
Specimen Required
Collect

Pediatric microtainer, 0.5 mL plain red top tube. Also acceptable: Lavender (K2 or K3EDTA) or pink (K2EDTA) top tubes.

Transport 0.5 mL serum at 2-8°C. (Min: 0.2 mL)
Stability Collection to initiation of testing: After separation from cells: Ambient: 1 week; Refrigerated: 1 week; Frozen: 2 months
Unacceptable Conditions

Citrated plasma, serum separator tube (SST)

Schedule Wed, Sat
Billing Code 5011323
CPTCode 80155
Preferred Specimen Collection Device(s)
Reference Interval
Reference Interval: Effective February 21, 2017
Age0-28 days29 days and older
Therapeutic Range8-20 ug/mLLess than or equal to 20
(not well established)
ToxicGreater than 20 ug/mLGreater than 20 ug/mL
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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