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Test Code THEO Theophylline Level

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

 

 

Reference Range

 

  ug/mL
Therapeutic Range: 10.0 - 20.0

 

Methodology

Method: FPIA

Analytical Volume: 0.5 mL Serum or Plasma

Limitations:

CPT Codes

80198

Send Out Instructions

 

Reference Test Name: Theophylline
Reference Test Number: THEO
Instructions: This test is available stat; see protocol for stat sendouts. If ordered routine, send out Mon - Fri with the UW/HMC courier. Keep a copy of the Batch Sheet for our records.