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# 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
Posaconazole, Serum (POSA)
Test Code: POSACSO
Synonyms/Keywords
​Lab Ref Code:  89591, Noxafil (Posaconazole), Posaconazole (Noxafil)
Useful For
Monitoring of posaconazole therapy
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
Serum​ ​Red Top Tube (RTT) 2 mL​ 0.6 mL​
Specimen Stability Information
Specimen Type Temperature Time
​Serum ​ ​ Refrigerated (preferred)​ 28 days
Room Temperature ​28 days
​Frozen ​28 days
Rejection Criteria
Hemolysis
Mild OK; Gross reject
Lipemia
Mild OK; Gross reject
Icterus​
Mild OK; Gross reject
​Other Serum gel tube​
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Mayo Medical Laboratories​​
Tuesday, Thursday, Sunday; 11:30 p.m.
2 days​
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Reference Lab
Reference Range Information
Performing Location Reference Range
Mayo Medical Laboratories​​
>700 ng/mL (trough)
Interpretation
Greater than 700 ng/mL (>0.7 mcg/mL) has been suggested for prophylaxis and also in a salvage trial for treatment of invasive Aspergillus infections.
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​80299
Synonyms/Keywords
​Lab Ref Code:  89591, Noxafil (Posaconazole), Posaconazole (Noxafil)
Ordering Applications
Ordering Application Description
​Centricity ​Posaconazole, Serum (89591)
​Cerner ​None
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
Serum​ ​Red Top Tube (RTT) 2 mL​ 0.6 mL​
Specimen Stability Information
Specimen Type Temperature Time
​Serum ​ ​ Refrigerated (preferred)​ 28 days
Room Temperature ​28 days
​Frozen ​28 days
Rejection Criteria
Hemolysis
Mild OK; Gross reject
Lipemia
Mild OK; Gross reject
Icterus​
Mild OK; Gross reject
​Other Serum gel tube​
Useful For
Monitoring of posaconazole therapy
Reference Range Information
Performing Location Reference Range
Mayo Medical Laboratories​​
>700 ng/mL (trough)
Interpretation
Greater than 700 ng/mL (>0.7 mcg/mL) has been suggested for prophylaxis and also in a salvage trial for treatment of invasive Aspergillus infections.
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Mayo Medical Laboratories​​
Tuesday, Thursday, Sunday; 11:30 p.m.
2 days​
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Reference Lab
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​80299
For most current information refer to the Marshfield Laboratory online reference manual.