Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

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

PORPHOBILINOGEN UR

ORDERING INFORMATION:
Sunquest Test Code:
RPORP      Geisinger Epic Procedure Code: 84110.03         Geisinger Epic ID: 21611

SPECIMEN COLLECTION
Specimen type:
Random urine
Preferred collection container:
Specimen required:
10 mL aliquot random urine; minimum 2 mL. Protect aliquot from light.
Special notes:
Protect from light. Collect after first morning void and before early evening.
Patient preparation:
Collect after first morning void and before early evening.

SPECIMEN PROCESSING
Transport temperature:
Refrigerated (preferred) or frozen.
Specimen stability:
Room Temperature: Unacceptable. Refrigerated: 1week, pH6-7. Frozen: 1 month, pH 6-7.
Rejection criteria:
Room temperature specimens unacceptable.

TEST DETAILS
Reference interval:
See laboratory report.
Additional information:
Patients with hereditary forms of porphyria usually will present with profound elevations of this analyte (>5-fold) during acute episodes. Moderate elevations (<3-fold) are more often due to medications or environmental factors.
CPT code(s):
84110
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:
None.
Methodology:
Spectrophotometric (Colorimetric)
Synonyms:
Quantitative porphobilinogen
Quest test code 14469

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Tuesday, Friday afternoon    
Performed stat? No
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