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Geisinger Medical Laboratories Test Catalog
SPECIMEN VALIDITY TEST, URINE |
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Geisinger Epic Procedure Code: LAB3075
Geisinger Epic ID: 37654
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SPECIMEN COLLECTION |
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Specimen type: |
Random urine | |
Preferred collection container: |
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Specimen required: |
3 mL urine; minimum 1 mL. | |
| SPECIMEN PROCESSING |
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Transport temperature: |
Refrigerated (preferred). Room temperature also acceptable. | |
Specimen stability: |
Room temperature: 2 days. Refrigerated: 14 days. | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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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, specific gravity when creatinine is < 20 mg/dL. | |
Methodology: |
Enzymatic (creatinine) Refractometer (specific gravity) |
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Synonyms: |
Validity testing VALIDS
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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, FADLM Sheng-Ying (Margaret) Lo, PhD, DABCC |
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| Review Date: | 12/29/2022 | |