Business Details
28 Years
experience
Expert Diagnostic Pathology Services in Seattle
PhenoPath, founded in 1998, is a pathologist-driven diagnostic laboratory dedicated to delivering accurate and reliable cancer diagnoses. Our team of nationally recognized pathologists and technologists combines academic expertise with real-world experience to address complex diagnostic challenges. We specialize in advanced techniques such as FISH, flow cytometry, PCR, and immunohistochemistry, ensuring precise results for hematopathology, molecular diagnostics, and anatomic pathology.Backed by over 20 years of experience and a commitment to peer-reviewed innovation, we provide a comprehensive test menu supported by Quest Diagnostics' resources. Our pathologist-owned structure ensures direct oversight of quality control, while our dedication to clinical excellence is reflected in every report we issue. We prioritize accessibility, offering direct consultations with pathologists and maintaining rigorous accreditation standards through CAP and state licensing programs.
Services
FISH Testing
IHC Analysis
PCR Assays
Flow Cytometry
Molecular Diagnostics
Details
- Year established: 1998
Highlights and features
- 20+ years of specialized experience in diagnostic pathology
- Pathologist-owned structure ensures quality control oversight
- Peer-reviewed expertise published in leading medical journals
- Comprehensive test menu with advanced molecular techniques
- Direct pathologist consultation for case review and analysis
Associations and certifications
- CAP Accreditation
- Washington State Department of Health
Services
FISH Testing
Fluorescence In Situ Hybridization (FISH) testing identifies chromosomal abnormalities in hematologic malignancies and solid tumors. Our CLIA-exempt, CAP-accredited lab offers panels for leukemia, lymphoma, and glioma subtyping with 4-6 business day turnaround. Pathologists utilize dual-color enumeration probes to detect translocations, deletions, and amplifications, supporting targeted therapy decisions and prognosis assessment.
Immunohistochemistry
IHC analysis identifies protein biomarkers in formalin-fixed tissues using 2-4 day turnaround. Our board-certified pathologists employ membrane, cytoplasmic, and nuclear markers like ALK, BAP1, and PD-L1 to classify tumors and guide immunotherapy. All assays follow CAP guidelines with validated antibody clones and staining protocols.
Molecular Diagnostics
Next-generation sequencing and PCR assays detect actionable mutations in solid tumors and hematologic cancers. Our molecular lab offers BRAF, KRAS, and NTRK testing with 3-8 business day turnaround. Pathologists correlate genomic findings with histopathology for comprehensive reports guiding targeted therapy selection.
Flow Cytometry
10-color flow cytometry characterizes hematologic neoplasms using fresh tissue or bone marrow samples. Our lab provides 24-hour critical result reporting for acute conditions, employing 26-antibody panels to identify leukemia/lymphoma immunophenotypes and minimal residual disease markers.
Special Stains
Special stains aid in identifying infectious agents, amyloid deposits, and tissue morphology. Our histology lab completes stains like Congo Red and PAS within 2-4 business days, supporting diagnosis of rare conditions including Erdheim-Chester disease and Whipple's.
People
John Astle
Pathologist
Dr. Astle specializes in hematopathology with board certifications in Anatomic Pathology and Hematology. He completed fellowship training at Yale University and brings expertise in lymphoma diagnostics.
Harry Hwang
Medical Director
Dr. Hwang leads molecular diagnostics with certifications in Anatomic and Clinical Pathology. His immunohistochemistry fellowship at PhenoPath contributes to advanced cancer biomarker research.
Jennifer Kum
Genitourinary Pathologist
Dr. Kum specializes in placental and genitourinary pathology after completing dual fellowships at Indiana University and UC San Diego. She contributes to placental disorder diagnostics.
Steven Kussick
Hematopathologist
Dr. Kussick focuses on hematologic malignancies with dual board certification in Anatomic Pathology and Hematopathology. He completed residency at the University of Washington and contributes to lymphoma research.
Dolphine Oda
Oral Pathologist
Dr. Oda specializes in oral cancer research with over 140 peer-reviewed publications. Her HPV and epithelial carcinogenesis expertise supports head and neck cancer diagnostics.
Questions
What diagnostic specialties does PhenoPath offer?
We specialize in hematopathology, molecular diagnostics, immunohistochemistry, flow cytometry, and special stains for cancer diagnosis.
How can physicians access test reports?
Reports are available through our secure online portal with direct pathologist consultation for complex case discussions.
What specimen types do you accept?
We process fresh tissue, formalin-fixed paraffin-embedded blocks, peripheral blood, and bone marrow aspirates.
Do you offer urgent testing options?
Critical flow cytometry results are reported within 24 hours for life-threatening conditions.
How are test methodologies validated?
All assays follow CAP guidelines with documented validation studies and regular quality control assessments.
Can I get assistance with test selection?
Our dedicated client services team at 1.888.92.PHENO provides guidance on appropriate test ordering.
Reviews (1)
Sheri C.
Sep 21, 2015
Report
Phenopath is a biotech company in the Fremont neighborhood. They give diagnostic and laboratory results to hospitals, medical clinics and other related companies around the world looking for answers for cancer and pathology. I came in for a business meeting and the people I interacted with were great. There is paid parking spaces along the street but you have to bring cash as the only way to pay is by stuffing cash into the little slots on a collection box.
