Our Difference: Next Level Diagnosis PLUS Diagnostics is a CLIA-certified cytology, histology and molecular pathology laboratory. We are accredited by the College of American Pathologists and widely recognized with distinction for precision. Every day, at every PLUS Diagnostics laboratory, our people continually exceed our clients' quality expectations. PLUS Diagnostics’ areas of specialization include: Areas of Specialization: Genitourinary Pathology Gastrointestinal Pathology Dermatopathology Hematopathology Breast Pathology Oral and Maxillofacial Pathology