Memorial Hospital Belleville - Shiloh powered by Mayo Clinic Laboratories

Home

Help

Browse by Name
Sign in

Search

Browse by Name

A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
#

Other Laboratory Catalogs/Test Menus

Barnes-Jewish Lab Catalog
- BJH Analyte Stability Chart
- BJH Specimen Collection and Preparatio n
Mayo Lab Test Catalog
St. Louis Children's Lab Catalog
Washington University Diagnostic Lab Services Test Menu

Requisitions

MyeloSeq Heme NGS Panel Requsition

Mayo Clinic Laboratories

Policies
Terms of Use

Theophylline

Reference Values

Theophylline

Age	Reference Values	Critical High
0 – 1 month	10 – 20 mcg/mL	≥ 11 mcg/mL
>1 month	10 – 20 mcg/mL	≥ 25 mcg/mL

Portions ©2026 Mayo Foundation for Medical Education and Research.