Update Type: Specimen collection or handling and/or storage changedTest Updated: 01/28/2026 Test Details Soft Order Code LLINK Synonyms Laboratory Sendout Reference Laboratory Labcorp Section Special Testing Specimen Requirements Collection Instructions MLabs clients and patients should obtain test requisition and kit directly from Labcorp. Contact Litholink 24-hour testing customer service at 800-338-4333. Additional Information Test performed by Labcorp Billing NY State Approved No