Home Blogs Genetic Testing in Hematologic Cancers: Who Needs It and Why It Matters

By Dr. Rajesh Bollam

January 12, 2026

Genetic Testing in Hematologic Cancers: Who Needs It and Why It Matters

Q: What is genetic testing in blood cancer?

Genetic testing is a laboratory method used to analyse the DNA and chromosomes in cancer cells to understand what drives the disease. It helps doctors classify blood cancers more accurately and choose appropriate treatments.

Q: Is genetic testing done for all leukaemia and lymphoma patients?

Not always. Genetic testing for cancer is commonly recommended for many blood cancers, but the type and extent of testing depend on the patient’s condition, stage of disease, and treatment plan.

Q: How does genetic testing help in treatment planning?

Through genetic testing for disease, doctors can identify which medicines are most likely to work, which therapies may fail, and whether more intensive treatment is needed.

Q: Is genetic testing available in India?

Yes. Genetic testing in India is available through specialised molecular laboratories and cancer centres that follow international quality standards.

Q: What is the genetic testing cost in Hyderabad?

Genetic testing cost in Hyderabad varies depending on how many genes are tested and the technology used. Some basic tests are affordable, while advanced panels may cost more. Doctors usually recommend only what is medically required.

Q: Does genetic testing affect my family members?

In some cases, genetic testing for disease may identify inherited cancer risk, allowing family members to undergo early screening and preventive care.

Q: When should I visit Renova Hospitals?

If you have symptoms such as persistent fatigue, unexplained weight loss, frequent infections, swollen lymph nodes, or abnormal blood counts, you should consult a cancer specialist.

Q: What is the cost of genetic testing for cancer in Hyderabad?

Basic single-gene tests start around ₹10,000, while comprehensive NGS panels or whole-exome sequencing typically range between ₹20,000 and ₹50,000.

Q: How long does it take to get NGS results?

While a basic blood test takes a day, NGS results usually take 2 to 4 weeks because of the complex data analysis (bioinformatics) required.

Q: Does insurance cover genetic testing in India?

Coverage is expanding. Many modern health insurance policies now cover "modern treatments" and diagnostic genetic tests if they are essential for planning cancer treatment.

In recent years, genetic testing has revolutionised the way blood cancers are diagnosed and treated. In the past, leukaemia, lymphoma, and multiple myeloma were classified mainly by how cancer cells looked under a microscope.

Today, doctors understand that what truly determines how a cancer behaves is not just its appearance, but its genetic makeup.

Each blood cancer carries specific genetic mutations in its cells. These errors control how fast the cancer grows, how it spreads, and how it responds to treatment.

By identifying these changes through genetic testing for cancer, oncologists can choose therapies that directly attack the cancer at its source. This is why genetic testing is now the foundation of modern precision oncology.

With the rapid growth of precision medicine and genetic testing in India, patients no longer have to depend on trial-and-error chemotherapy. Hospitals can now offer therapies based on a patient’s unique molecular profile, leading to better survival, fewer side effects, and improved quality of life.

What Is Genetic Testing in Hematologic Cancers?

Many patients ask, what is genetic testing when they are diagnosed with blood cancer. It refers to the advanced laboratory analysis of DNA, chromosomes, and specific genes taken from blood, bone marrow, or cancer cells.

This testing identifies:

Mutations
Missing or extra DNA
Rearranged chromosomes
Abnormal gene activity

These genetic abnormalities are what drive cancer growth, treatment resistance, and relapse. Through haematology genetic testing, doctors can see exactly what is fueling the disease.

Unlike inherited DNA testing, genetic testing for disease focuses on the cancer’s DNA, not the patient’s entire genetic makeup. This allows doctors to select medicines that block specific molecular pathways that keep the cancer alive.

Common Genetic Abnormalities Tested

Some of the most important genetic changes detected using modern types of genetic testing include:

BCR-ABL fusion gene in chronic myeloid leukaemia (CML)
FLT3 and NPM1 mutations in acute myeloid leukaemia (AML)
JAK2 mutations in myeloproliferative neoplasms
TP53 mutations that cause chemotherapy resistance

These findings are obtained using cytogenetics, molecular diagnostics, and next-generation sequencing, all advanced types of genetic testing used in modern cancer care.

Who Needs Genetic Testing?

Not every patient needs extensive testing, but genetic testing for cancer is essential for:

Newly diagnosed blood cancer patients
Patients not responding to treatment
Patients with family history of cancer
Relapsed or post-transplant patients

Your haematologist decides the right types of genetic testing based on cancer stage, subtype, and treatment response.

Why Genetic Testing Matters

The benefits of genetic testing in hematologic cancers are life-changing:

1. Accurate Diagnosis

Genetic testing confirms the exact cancer subtype, preventing wrong or delayed treatment.

2. Personalised Treatment

Through genetic testing for disease, doctors prescribe targeted therapies that destroy cancer cells while protecting healthy tissue.

3. Prognosis Prediction

Genetic profiles tell doctors how aggressive the cancer is and whether intensive treatment is needed.

4. Early Relapse Detection

Advanced genetic testing detects minimal residual disease (MRD) before symptoms appear.

5. Family Protection

Inherited cancer risk can be identified early, allowing relatives to undergo preventive screening.

How Genetic Testing Changes Treatment

Modern genetic testing for cancer directly determines which drugs are used:

CML patients with BCR-ABL respond dramatically to imatinib
AML patients with FLT3 mutations benefit from FLT3 inhibitors
Myeloma patients with high-risk genetics receive stronger or newer therapies

This precision-based approach is only possible through advanced haematology genetic testing.

Cost, Accessibility & Testing Options

Patients often ask about genetic DNA testing cost, the availability of a genetic testing kit, and genetic testing cost in India.

Today, genetic testing in India is widely available through accredited molecular labs. Costs depend on:

Number of genes tested
Technology used (PCR, FISH, NGS)
Cancer type

Some tests are affordable, while large genomic panels cost more. Doctors order only what is medically necessary for accurate diagnosis and treatment planning.

The Future of Blood Cancer Care

The future of oncology lies in expanding haematology genetic testing. Scientists are discovering new genetic targets every year, allowing doctors to design therapies that are safer, more effective, and precisely matched to each patient’s cancer biology.

With continued advances in genetic testing for disease, doctors will soon be able to predict which therapy will work best before treatment even begins.

Genetic Testing Might Be the Key to Winning the Fight Against Blood Cancer

Genetic testing has become the backbone of modern blood cancer care. Through genetic testing for cancer, doctors can see beyond the microscope and understand the true biological drivers of each patient’s disease.

This enables precise treatment selection, improved response monitoring, and protection for family members who may be at inherited risk. In today’s era of precision medicine, the benefits of genetic testing give patients the strongest chance for long-term remission, improved quality of life, and survival, turning blood cancer from a life-threatening diagnosis into a manageable and often curable condition.

Renova Hospitals offers comprehensive cancer evaluation, specialist consultations, and evidence-based treatment for blood cancers under the care of Dr. Rajesh Bollam, European-certified Medical Oncologist. Early diagnosis and the right medical guidance can make a life-saving difference.

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Dr. Rajesh Bollam

Medical Oncology, Head & Neck Oncology

14 years Experience

Telugu, English, Hindi, Kannada

Renova Century Hospital - Banjara Hills, Renova Soumya Cancer Centre - Secunderabad, Renova Bannu Hospitals - Warangal

MBBS (Gold Medalist) DNB - General Medicine DM...

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Find quick answers to common questions about our services, doctors, and care at Renova Hospitals. So you can feel informed and confident at every step.

Genetic Testing in Hematologic Cancers: Who Needs It and Why It Matters

What Is Genetic Testing in Hematologic Cancers?

Common Genetic Abnormalities Tested

Who Needs Genetic Testing?

Why Genetic Testing Matters

How Genetic Testing Changes Treatment

Cost, Accessibility & Testing Options

The Future of Blood Cancer Care

Genetic Testing Might Be the Key to Winning the Fight Against Blood Cancer

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Dr. Rajesh Bollam

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Frequently Asked Questions

What is genetic testing in blood cancer?

Is genetic testing done for all leukaemia and lymphoma patients?

How does genetic testing help in treatment planning?

Is genetic testing available in India?

What is the genetic testing cost in Hyderabad?

Does genetic testing affect my family members?

When should I visit Renova Hospitals?

What is the cost of genetic testing for cancer in Hyderabad?

How long does it take to get NGS results?

Does insurance cover genetic testing in India?

Why is genetic testing needed for blood cancer?

Can I get genetic testing done at home?

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