Posted Date
Effective Date
Update Type Specimen collection or handling and/or storage changed
CPT Code 86305

Order Code:                 HE4
Referral Laboratory:    Mayo Medical Laboratories


Effective April 2, 2020, Specimen requirements for Human Epididymis Protein 4 (HE4) testing will now be the following, due to an instrument change at Mayo Medical Laboratories.

Current Specimen Minimum Volume

0.5 mL


New Specimen Minimum Volume

0.75 mL