Sign in →

Test Code LAB35 Theophylline Level

Important Note

If STAT theophylline levels are clinically indicated, please call the lab in advance of sample collection to allow time to arrange for STAT courier to the performing lab.

Additional Codes

THEO

Clinical System Name

Theophylline Level

Synonyms

Aerolate
Aminophylline
Bronchobid
Elixophyllin
Slo-Phyllin
Somophyllin
Theo-Dur
Theolair
Theospan

Sample Requirements

Specimen: Whole Blood

Container(s): Red or Gold SST or Dark Green/Sodium Heparin

Preferred Vol: 2 mL

Minimum Vol:

 

Note: Draw specimen 1 hour after IV bolus; draw specimen 2 hours after dose of oral immediate release product; draw specimen 3-5 hours after dose of oral sustained release product.

Processing Instructions

Reject due to:

Spin: Y

Aliquot:Y

Temp: -20 C

Storage location: If drawn in gold top; serum must be removed from gel within 24 hours of collection. Transfer 1.0 mL serum or plasma to a plastic aliquot tube. Deliver specimen to CPA freezer send-outs rack. Follow stat send out protocol if ordered STAT.

 

Off-site collection:

Stability

Specimen Type Temperature Time
Serum or Plasma Room temp  N
  Refrigerated 24 h
  Frozen  Y

 

Availability

STAT Performed TAT
Y  Daily 1 - 3 d

 

Performing Laboratory

Harborview Medical Center

Department

Department:  

Harborview Medical Center

Room GWH47; 523 9th Ave
Seattle, WA 98104
 

Phone Number: (206) 744-3451

 

 

CPT Codes

80198

Methodology

Method: FPIA

Analytical Volume: 0.5 mL Serum or Plasma

Limitations:

Reference Range

  ug/mL
Therapeutic Range: 10.0 - 20.0

 

Send Out Instructions

Reference Lab Test Name: Theophylline
Reference Lab Test Number: THEO
Instructions: This test is available STAT; see protocol for STAT send-outs. Send out daily with the UW courier.