
Myeloproliferative Neoplasm (MPN) Reflex Panel [NGS]







The Myeloproliferative Neoplasm (MPN) Reflex Panel [NGS] is a genetic test that examines mutations and gene fusions associated with myeloproliferative neoplasms (MPNs), a type of blood cancer. It helps doctors diagnose, classify, and monitor these conditions, allowing for personalized treatment planning.








Understanding Myeloproliferative Neoplasm (MPN) Reflex Panel [NGS]
Chronic myeloproliferative neoplasms (MPNs) are blood disorders in which the bone marrow produces too many red blood cells, white blood cells, or platelets.
The Myeloproliferative Neoplasm (MPN) Reflex Panel [NGS] is used to evaluate genetic changes in blood cells that are characteristic of myeloproliferative neoplasms (MPNs). These include conditions such as polycythemia vera (PV), essential thrombocythemia (ET), primary myelofibrosis (PMF), and chronic myeloid leukemia (CML). This panel combines multiple molecular assays to detect mutations in genes associated with MPNs, including JAK2, MPL, and CALR.
This panel works in a stepwise or “reflex” manner. It first checks for the common JAK2 V617F mutation. If this result is negative, the test automatically analyzes other regions of the JAK2 gene, followed by the MPL and CALR genes if needed. This step-by-step process helps identify mutations that cause MPNs, ensuring accurate and efficient diagnosis.
Doctors may recommend this test if you have abnormal blood counts, symptoms such as fatigue, weakness, night sweats, or an enlarged spleen, or a family history of MPNs. The test helps differentiate between MPN subtypes, guide treatment decisions, monitor disease progression, and assess the risk of complications.
For this test, it is important to submit the clinical history, histopathology report, previous test results, and a doctor’s prescription at the time of sample collection. The Tata 1mg consolidated Test Requisition Form (TRF) must also be duly filled and submitted.
Lab test results may vary across different laboratories. Abnormal test results require an expert interpretation. Therefore, never try to self-medicate at home based solely on these results, and always consult a doctor for proper understanding of the test results.
Note: Genetic counseling can be provided. If interested, please send the request to this email id:[email protected]
What does Myeloproliferative Neoplasm (MPN) Reflex Panel [NGS] measure?
The Myeloproliferative Neoplasm (MPN) Reflex Panel [NGS] detects genetic mutations in the JAK2, MPL, and CALR genes. By identifying these mutations in a sequential manner, the test provides a detailed molecular profile that helps doctors accurately diagnose and classify MPNs, including polycythemia vera (PV), essential thrombocythemia (ET), and primary myelofibrosis (PMF). Abnormal results indicate the presence of specific genetic changes linked to these conditions and guide safe and effective treatment planning.





FAQs related to Myeloproliferative Neoplasm (MPN) Reflex Panel [NGS]
- Fowlkes S, Murray C, Fulford A, De Gelder T, Siddiq N. Myeloproliferative neoplasms (MPNs) - Part 1: An overview of the diagnosis and treatment of the "classical" MPNs. Can Oncol Nurs J. 2018 Oct 1;28(4):262-268. [Accessed 15 Oct. 2025]. Available from:
- Rapado I, Grande S, Albizua E, Ayala R, Hernández JA, Gallardo M, Gilsanz F, Martinez-Lopez J. High resolution melting analysis for JAK2 Exon 14 and Exon 12 mutations: a diagnostic tool for myeloproliferative neoplasms. J Mol Diagn. 2009 Mar;11(2):155-61. [Accessed 14 Oct. 2025]. Available from:
- Thapa B, Fazal S, Parsi M, et al. Myeloproliferative Neoplasms. [Updated 2023 Aug 8]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from:
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