Ordering Recommendation
Therapeutic monitoring for patients receiving caffeine therapy.
Mnemonic
CAFFEINE S
Methodology
Quantitative Enzyme Multiplied Immunoassay Technique
Performed
Sun-Sat
Reported
1-5 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Serum Random or Plasma Random in Plain Red, Lavender (K2EDTA), Lavender (K3EDTA), or Pink (K2EDTA).
Specimen Preparation
Separate from cells ASAP or within 6 hours of collection. Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Citrated Plasma, Serum separator tube (SST)
Remarks
Stability
Ambient: 1 week; Refrigerated: 1 week; Frozen: 2 months
Reference Interval
Effective February 21, 2017
Age | 0-28 days | 29 days and older |
Therapeutic Range: | 8-20 µg/mL | Less than or equal to 20 (not well established) |
Toxic: | Greater than 20 µg/mL | Greater than 20 µg/mL |
Interpretive Data
Toxic concentrations may cause tremor, cardiac abnormalities and seizures.
Compliance Category
FDA
Note
Hotline History
N/A
CPT Codes
80155
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
2011608 | Caffeine, Serum or Plasma | 3422-3 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- Caffeine Citrate Injection
- Durvitan
- NoDoz
- Vivarin
Caffeine, Serum or Plasma