Posted Date
Effective Date
Test Name Osmolality, Serum
Update Type Test Down or Delayed
CPT Code 83930
Order Code OSMO
Referral Laboratory Mayo Medical Laboratories



Osmolality, Serum

Order Code:                  OSMO

Fee Code:                     20740 (CPT 83930)


MLabs Clinical Core Laboratory Osmolality testing is down effective January 2, 2024, due to instrumentation issues. Testing will be sent to Mayo Clinic Laboratories until further notice.