Test Code THEO Theophyline

Important Note

**Please see information for therapeutic ranges below:

Therapeutic range: 10-20ug/dL

In children with asthma, 5-10ug/mL, control apneic spells without causing apparent side effects.

**Please see critical value reporting information below:

>20.0 µg/mL

Infectious

Meditech Mnemonics:

THEO

Preferred Specimen:

1mL Lithium Heparin plasma

Acceptable Specimen:

1mL serum from a non-gel tube

Minimum Volume:

0.5mL serum (volume does not include repeat or reflex testing)

Setup Schedule:

SUN-SAT

Transport Container:

Transport Tube

Preferred Transport Temperature:

Refrigerated

Specimen Stability (after centrifugation):

Ambient: undefine

Refrigerated: <1 month

Frozen: <3 months

Willis Knighton Medical Center

2600 Greenwood Road

Shreveport, LA 71103