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Specimen Collection Manual and Test Catalog

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DIURETICS PANEL, SERUM/PLASMA

Geisinger Epic Procedure Code:  LAB1182    Geisinger Epic ID:  52653

SPECIMEN COLLECTION
Specimen type: 

Serum (preferred) or plasma


Preferred collection container: 
Alternate collection container: 
3 mL lavender-top (K2 EDTA) tube
6 mL pink-top K2 EDTA tube
Specimen required: 

1 mL serum or plasma; minimum 0.4 mL.


Special notes: 

The use of serum and plasma separator tubes is not acceptable. Submission of a polymer gel tube will result in cancellation.



SPECIMEN PROCESSING
Processing instructions: 

Promptly centrifuge and separate Serum or Plasma into a plastic, preservative-free, screw capped vial.


Transport temperature: 

Refrigerated (cold packs).


Specimen stability: 

Room temperature: 7 days. Refrigerated: 30 days. Frozen: 2 years.


Rejection criteria: 

Polymer gel separation tube (SST® or PST).



TEST DETAILS
CPT code(s):  80375
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

Chlorothiazide (Diuril), Hydrochlorothiazide, Furosemide (Lasix).


Methodology: 
High Performance Liquid Chromatography (HPLC)
Synonyms: 

Quest test code 30963, Diuretics Pa


Clinical significance: 

Test is for therapeutic drug monitoring in serum or plasma (scope: Chlorothiazide, Furosemide, and Hydrochlorothiazide).


Review Date:  12/09/2024

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