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26813 Theophylline (BLOD0541)

Theophylline (BLOD0541)
Test Code: BLOD0541
Synonyms/Keywords

Aminophylline, THEO-DUR​

Specimen Requirements

Specimen TypePreferred Container/TubeAcceptable Container/TubeSpecimen VolumeSpecimen Minimum Volume
(allows for 1 repeat)
​Serum

​Red Top Tube (RTT)
​Serum Separator Tube (SST)
​1.0 mL
​​0.4 mL
​Plasma
​Light Green Top (Lithium heparin w/out gel)
Collection Processing Instructions

Draw 1 - 2 hours after dose for intermittent release.

Draw 5 - 9 hours after dose for sustained release.

Trough levels should be drawn 30 minutes prior to next scheduled dose.

Specimen Stability Information
Specimen Type
TemperatureTime
​​
Serum or Plasma



Room Temp​
Not acceptable​
​Refrigerated
(Preferred)
​3 months
​Frozen
​3 months
Interference

​Test is affected by gross hemolysis and gross lipemia.

Performing Laboratory Information
Performing Location
Day(s) Test PerformedAnalytical TimeMethodology/Instrumentation
​Sanford Laboratories
Sioux Falls
​Monday-Sunday
Enzymatic
Outreach CPTs
CPTModifier
(if needed)
QuantityDescriptionComments
Synonyms/Keywords

Aminophylline, THEO-DUR​

Ordering Applications
Ordering ApplicationDescription
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements

Specimen TypePreferred Container/TubeAcceptable Container/TubeSpecimen VolumeSpecimen Minimum Volume
(allows for 1 repeat)
​Serum

​Red Top Tube (RTT)
​Serum Separator Tube (SST)
​1.0 mL
​​0.4 mL
​Plasma
​Light Green Top (Lithium heparin w/out gel)
Collection Processing

Draw 1 - 2 hours after dose for intermittent release.

Draw 5 - 9 hours after dose for sustained release.

Trough levels should be drawn 30 minutes prior to next scheduled dose.

Specimen Stability Information
Specimen Type
TemperatureTime
​​
Serum or Plasma



Room Temp​
Not acceptable​
​Refrigerated
(Preferred)
​3 months
​Frozen
​3 months
Interference

​Test is affected by gross hemolysis and gross lipemia.

For more information visit:
Performing Laboratory Information
Performing Location
Day(s) Test PerformedAnalytical TimeMethodology/Instrumentation
​Sanford Laboratories
Sioux Falls
​Monday-Sunday
Enzymatic
For billing questions, see Contacts
Outreach CPTs
CPTModifier
(if needed)
QuantityDescriptionComments
For most current information refer to the Marshfield Laboratory online reference manual.