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Test Code THEO THEOPHYLLINE

Specimen Tube Description

Mustard Top (Outpatient) / Green Lithium Heparin (Inpatient)

Specimen Type

Serum/Plasma

Specimen Required

1ml Serum or 1ml plasma (Lithium Hep)

Specimen Preparation

Spin and separate within 4 hours of collection

Specimen Stability Information

room temp 7 days, refrig. 7 days, frozen 60 days

Instructions

For outpatients draw mustard tube, for inpatients draw light green lithium heparin tube.

Day(s) and Times(s) Performed

24 hrs a day 7 days a week

Performing Laboratory

United Health Services Laboratories

CPT Code

80198

LOINC

4049-3