FALBU - Clinical: Albuterol, Serum/Plasma

Test Catalog

Test Name

Test ID: FALBU    
Albuterol, Serum/Plasma

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

Reporting limit determined each analysis


Synonym(s): Proventil


Peak plasma levels following a 180 mcg dose via an

inhaler: 1.5 ng/mL at 13 minutes post dose.


Peak plasma levels following inhalation of a cumulative

dose of 1 mg and 4 mg: approximately 5 and 20 ng/mL,

respectively, 5 minutes post dose.


Peak plasma levels following a single 8 mg

oral-sustained release tablet:

13 ng/mL at 5.0 hours post dose.


Average steady-state peak and trough plasma

levels following a 4 mg (normal release tablet) every

6 hours for 5 days: 15 and 9.9 ng/mL, respectively.


Serum/plasma concentrations may vary significantly

depending on dose, formulation, route of

administration, device, lung function, and

user mechanics.