Posted Date
Effective Date
Update Type Test Code Change
CPT Code 86698 x3
Order Code HPAS
Referral Laboratory Mayo Medical Laboratories

Histoplasma Antibody, Serum

Order Code:                  HPAS

Fee Code:                    AA012 (CPT 86698 x3)

Reference Laboratory:   Mayo SHSTO


New Order Code:          HISER

New Reference Lab:      Mayo HISER


Effective June 4, 2024, Mayo Clinic Laboratories will replace the Histoplasma Antibody, Serum, assay (Mayo test ID SHSTO) with Histoplasma Antibody, Complement Fixation and Immunodiffusion, CSF (Mayo test ID HISER). The Histoplasma mycelial antigen by complement fixation component will be removed due to limited clinical utility.