HPS4 Gene Hermansky-Pudlak Syndrome Type 4 NGS Genetic DNA Test
Comprehensive Genetic Analysis for Hermansky-Pudlak Syndrome
The HPS4 Gene Hermansky-Pudlak Syndrome Type 4 NGS Genetic DNA Test represents a cutting-edge diagnostic approach for identifying genetic mutations associated with Hermansky-Pudlak Syndrome Type 4 (HPS-4). This rare autosomal recessive disorder affects multiple body systems and requires specialized genetic testing for accurate diagnosis and management.
What is Hermansky-Pudlak Syndrome Type 4?
Hermansky-Pudlak Syndrome Type 4 is a genetic condition characterized by oculocutaneous albinism, platelet storage pool deficiency, and increased risk of pulmonary fibrosis. The HPS4 gene plays a critical role in the biogenesis of lysosome-related organelles, and mutations in this gene disrupt normal cellular functions, leading to the characteristic symptoms of the syndrome.
What Does the HPS4 Gene Test Detect?
Our advanced NGS (Next-Generation Sequencing) technology provides comprehensive analysis of the HPS4 gene to identify:
- Pathogenic mutations in the HPS4 gene
- Single nucleotide variants (SNVs)
- Small insertions and deletions
- Copy number variations (CNVs)
- Complex genetic rearrangements
Clinical Significance of HPS4 Mutations
Mutations in the HPS4 gene disrupt the formation of specialized cellular organelles called lysosome-related organelles (LROs). This disruption affects melanosome formation (causing albinism), dense body formation in platelets (causing bleeding disorders), and lamellar body formation in lung cells (increasing pulmonary fibrosis risk).
Who Should Consider HPS4 Genetic Testing?
Clinical Indications and Symptoms
This test is recommended for individuals presenting with:
- Oculocutaneous albinism with reduced pigmentation
- Unexplained bleeding tendencies or easy bruising
- Visual impairments including nystagmus, strabismus, or photophobia
- Family history of Hermansky-Pudlak Syndrome
- Unexplained pulmonary symptoms or fibrosis
- Ceroid lipofuscinosis in tissue biopsies
- Platelet function abnormalities without clear cause
At-Risk Populations
- Individuals with consanguineous parents
- Those from populations with higher carrier frequencies
- Patients with unexplained multisystem symptoms
- Children with developmental delays and pigment abnormalities
Benefits of HPS4 Genetic Testing
Diagnostic and Clinical Advantages
- Accurate Diagnosis: Provides definitive diagnosis of HPS-4, distinguishing it from other forms of albinism and bleeding disorders
- Personalized Treatment: Enables targeted management strategies for bleeding risks and pulmonary complications
- Genetic Counseling: Supports informed family planning decisions and carrier testing for relatives
- Early Intervention: Facilitates proactive monitoring for pulmonary fibrosis and other complications
- Comprehensive Care: Guides multidisciplinary approach involving ophthalmologists, hematologists, and pulmonologists
Understanding Your Test Results
Interpretation Guidelines
Your HPS4 genetic test results will fall into one of several categories:
Positive Result
- Two pathogenic mutations identified: Confirms diagnosis of Hermansky-Pudlak Syndrome Type 4
- One pathogenic mutation found: Indicates carrier status
- Clinical correlation with symptoms is essential for diagnosis
Negative Result
- No pathogenic mutations detected: Reduces likelihood of HPS-4 but doesn’t rule out other forms of HPS
- Clinical evaluation remains important for comprehensive diagnosis
Variant of Uncertain Significance (VUS)
- Genetic changes identified with unclear clinical significance
- Requires additional family studies and clinical correlation
- Periodic re-evaluation as genetic knowledge advances
Post-Test Recommendations
- Comprehensive genetic counseling session
- Multidisciplinary medical evaluation
- Regular ophthalmological and pulmonary monitoring
- Bleeding risk assessment and management planning
- Family member testing when appropriate
Test Information and Pricing
| Test Parameter | Details |
|---|---|
| Test Name | HPS4 Gene Hermansky-Pudlak Syndrome Type 4 NGS Genetic DNA Test |
| Discount Price | $500 USD |
| Regular Price | $700 USD |
| Turnaround Time | 3 to 4 Weeks |
| Sample Type | Blood, Extracted DNA, or One Drop Blood on FTA Card |
| Testing Method | Next-Generation Sequencing (NGS) Technology |
| Specialty | Ophthalmology and Genetics |
Pre-Test Requirements
Essential Preparation Steps
- Complete clinical history documentation
- Genetic counseling session to create detailed family pedigree
- Discussion of test implications and potential outcomes
- Informed consent process
- Insurance pre-authorization when applicable
Nationwide Testing Availability
We have diagnostic centers conveniently located across the United States, serving patients in all major metropolitan areas including:
- New York City and surrounding areas
- Los Angeles and Southern California
- Chicago and Midwest regions
- Houston and Texas locations
- Phoenix and Southwest territories
- Philadelphia and East Coast facilities
- All other major US cities and regions
Take Control of Your Genetic Health Today
Understanding your genetic profile is the first step toward personalized medical care and proactive health management. Our HPS4 genetic testing provides the clarity needed for accurate diagnosis and targeted treatment approaches.
Why Choose Our Genetic Testing Services?
- Board-certified genetic counselors and specialists
- State-of-the-art NGS technology for comprehensive analysis
- CLIA-certified laboratory ensuring highest quality standards
- Rapid turnaround times with detailed reporting
- Comprehensive post-test support and counseling
Schedule Your HPS4 Genetic Test Now
Don’t wait to get the answers you need for proper diagnosis and management of Hermansky-Pudlak Syndrome Type 4. Our genetic specialists are ready to assist you with comprehensive testing and personalized care.
Call or WhatsApp us today at +1(267) 388-9828 to schedule your appointment or to speak with our genetic counseling team.
Take the first step toward understanding your genetic health and ensuring the best possible medical outcomes for you and your family.

