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Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog
CORTISOL, FREE, LC/MS/MS 24 HR URINE |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB2081 Geisinger Epic ID: 28413 | |
SPECIMEN COLLECTION |
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Specimen type: |
24-hour urine | |
Preferred collection container: |
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Alternate Collection Container: |
24-hour urine container (boric acid added)
24-hour urine container (6N HCl added)
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Specimen required: |
2 mL aliquot of 24-hour urine; minimum 0.5 mL. | |
Special notes: |
Refrigerate during collection. 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). | |
| SPECIMEN PROCESSING |
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Transport temperature: |
Refrigerated. | |
Specimen stability: |
Room temperature: 14 days. Refrigerated: 21 days. Frozen: 90 days. | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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CPT code(s): |
82530 | |
| 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: |
24-hour urine cortisol. | |
Methodology: |
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) |
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Synonyms: |
24CORT, Quest test code 135286
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Clinical significance: |
Urinary Free Cortisol is useful in the detection of patients with Cushing's syndrome for whom Free Cortisol concentrations are elevated. | |