Posted Date
Effective Date
Update Type Test Down or Delayed
CPT Code 83930
Order Code OSMF
Referral Laboratory Mayo Medical Laboratories


Osmolality, Body Fluid (non-urine)

Order Code:                  OSMF

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.