Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

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

CYSTINE 24 HR URINE

ORDERING INFORMATION:
Sunquest Test Code:
CYST24      Geisinger Epic Procedure Code: 82131.01         Geisinger Epic ID: 14902

SPECIMEN COLLECTION
Specimen type:
24-hour urine
Preferred collection container:
Specimen required:
1.8 mL aliquot of 24-hour urine (minimum 0.6 mL) collected in 24-hour urine container.
Special notes:
Mix well. Estimate total collection volume from 24-hour urine container. Remove required aliquot. Record total volume on both aliquot tube and request slip (if applicable). Also note if patient is on penicillamine therapy. Patient's age is required for correct reference range. Do not use container with preservatives.

SPECIMEN PROCESSING
Transport temperature:
Frozen.
Specimen stability:
Room Temperature: Unacceptable. Refrigerated: Unacceptable. Frozen: 2 months.
Rejection criteria:
Urine with a pH less than 2 will be rejected. Specimen not shipped frozen.

TEST DETAILS
Reference interval:
Pediatrics:
0-9 years 6-48 umol/24 hours
10-13 years 10-94 umol/24 hours
14-17 years 17-102 umol/24 hours
Adults, Males and Females: 24-184 umol/24 hours
CPT code(s):
82131
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, 24-hour urine.
Methodology:
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Synonyms:
Quest test code 10947X

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Tuesday, Thursday morning. Report available: 4-10 days.    
Performed stat? No
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