Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

CYSTINE RANDOM URINE

ORDERING INFORMATION:
Sunquest Test Code:
CYSTRU      Geisinger Epic Procedure Code: 82131.05         Geisinger Epic ID: 21930

SPECIMEN COLLECTION
Specimen type:
Random urine
Preferred collection container:
Specimen required:
5 mL aliquot random urine; minimum 2 mL.
Special notes:
Please note if patient is on penicillamine therapy. Do not use preservatives. Patient's age is required for correct reference range.

SPECIMEN PROCESSING
Specimen processing instructions:
Freeze. Do not thaw. 
Transport temperature:
Frozen.
Specimen stability:
Room Temperature: Unacceptable. Refrigerated: Unacceptable. Frozen: 2 months.
Rejection criteria:
Urine with a pH less than 2.0 will be rejected. Room temperature or refrigerated specimens are not acceptable and will be rejected.

TEST DETAILS
Reference interval:
Pediatrics: Less than 18 years 2.8-10.9 mmol/mol creatinine
Adults: 2.9-14.1 mmol/mol creatinine
CPT code(s):
82131, 82570
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:
Cystine.
Methodology:
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Synonyms:
Quest test code 401X

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Monday-Friday morning    
Performed stat? No
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