Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

SPECIMEN VALIDITY TEST, URINE

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB3075         Geisinger Epic ID: 37654

SPECIMEN COLLECTION
Specimen type:
Random urine
Preferred collection container:
Specimen required:
3 mL urine; minimum 1 mL.

SPECIMEN PROCESSING
Transport temperature:
Refrigerated (preferred). Room temperature also acceptable.
Specimen stability:
Room temperature: 2 days. Refrigerated: 14 days.
Rejection criteria:
Stability limits exceeded.

TEST DETAILS
Reference interval:
Creatinine: > or = 20 mg/dL; 2 to 20 mg/dL with specific gravity 1.0030-1.0300.
CPT code(s):
84311
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:
Creatinine, pH, nitrite, specific gravity when creatinine is < 20 mg/dL.
Methodology:
Enzymatic (creatinine)
Refractometer (specific gravity)
Synonyms:
Validity testing
VALIDS
Clinical significance:
Specimen validity testing is performed to identify any tampering with specimens submitted for drugs of abuse testing.
Doctoral Director(s:)
Hoi-Ying Elsie Yu, PhD, DABCC
Sheng-Ying (Margaret) Lo, PhD, DABCC    
Review Date: 12/03/2020

Performing Locations

Geisinger Medical Center

Performing laboratory: Toxicology
Technical Lead: Michael Sneidman
Frequency: Daily, all shifts.
Performed stat? Yes
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