Laboratory Services

Theophylline

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Updated Test Information:

Test Description
Theophylline
Synonym(s)

Aminophylline, UOW1303

Test ID
THEO
Container Type

Preferred: 4 mL blood in  Red Top Tube
Also Acceptable: 4 mL blood in Orange RST, Gold SST, Lime Green PST, Green Top or Lavender Top Tube

Specimen Type

Blood

Specimen Requirements

1mL Serum/Plasma

Specimen Collection / Processing Instructions

Note: serum/plasma must be removed from SST or PST.
Hemolysis should be avoided.

Minimum Sample Volume

0.5 mL serum/plasma

Stability

Frozen

Department (code)

Chemistry, Harborview (CHH)

Methodology

Enzyme Multiplies Immunoassay technique (EMIT)

Estimated TAT

1 Day

Testing Schedule

Daily

CPT Code(s)

80198

Reference Range

10.0 - 20.0 mcg/mL

STAT Orderable (Y/N)

Yes

Performing Lab

UW

LOINC Code(s)

4049-3