Posted Date
Effective Date
Update Type Test Down or Delayed
Order Code MDNS



Methadone and Metabolites, Serum

Order Code:                  MDNS

Fee Code:                     22016 (CPT 80358)

Reference Laboratory:   Mayo MDNS


Mayo Clinic Laboratories Methadone and Metabolites, Serum assay is down effective December 14, 2023, due to instrumentation issues and assay redevelopment. Requests for this test will be forwarded to NMS Labs test ID 8722SP (Mayo test ID FMTMS) until further notice.