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Theophylline

SIM

10260 

CPT

80198 

Synonyms

Aminophylline; Aerolate 

Specimen Type

Plasma or serum 

Container

3.5 ml Green - Lithium heparin plasma separator 
4.0 ml Gold-top serum separator 

Collection Instructions

None

Volume

2 ml plasma or serum, minimum 0.5 ml

Additional Information

none

Patient Preparation

none

Specimen Processing Instructions

Plasma:  Centrifuge at 3380 rpm’s (±100) for a minimum of 10 minutes

Serum:  Allow to clot.  Centrifuge at 3380 rpm’s (±100) for a minimum of 10 minutes

Centrifuge within 2 hours of collection.

Transport Requirements

Refrigerated

Specimen Stability

Room temperature:  8 hours   Refrigerated: 5 days 

Rejection Criteria

If not centrifuged within 2 hours of collection.

Reference Range

10-20 ug/ml

Critical Value

>20 ug/ml 

Test Includes

Theophylline 

Methodology

Homogenous Enzyme Immunoassay, rate method 

Testing Frequency

Daily, Monday - Sunday 

 

Reviewed By

Sandy Hammett 

Reviewed Date

1/31/2018 

Supplemental

 

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