Skip to Content

ICD 10 Code for Prostate Cancer and How to Use It

June 3, 2025 by
Lewis Calvert

When it comes to navigating the world of medical records, insurance claims, and accurate diagnoses, knowing how to use the ICD 10 code for prostate cancer can save you time, money, and confusion. Whether you’re a healthcare provider, medical biller, or just someone curious about how prostate cancer is tracked and classified, this guide breaks it all down in simple, clear terms.

Let’s walk through exactly what this code means, how it’s applied in real medical settings, and why using the correct ICD-10 code matters more than you think.

What Is the ICD-10 Code for Prostate Cancer?

Let’s start with the basics. The ICD-10 code for prostate cancer is C61. This code falls under the "C00–D49" range, which is used to classify all types of neoplasms (aka tumors). Specifically, C61 refers to malignant neoplasm of the prostate, meaning cancer that originates in the prostate gland.

So when a doctor diagnoses someone with prostate cancer, they don’t just jot down “prostate cancer” in a chart—they use this alphanumeric code (C61) to log the diagnosis officially. This helps with insurance claims, national health statistics, and medical research.

To put it plainly, the ICD-10 code for prostate cancer (C61) is the universal way of labeling this specific diagnosis across the healthcare system.

Why the ICD-10 Code for Prostate Cancer Matters

You might be wondering, “Why not just write 'prostate cancer' and call it a day?” Great question. The ICD-10 system was created by the World Health Organization to standardize the way diseases and health conditions are recorded.

Here’s why it matters:

Insurance Processing: Insurance companies use ICD-10 codes to determine whether a treatment or service is covered.


Medical Accuracy: It reduces ambiguity in records. “Prostate cancer” might seem simple, but there are many types and stages. Coding keeps it clear.


Public Health Monitoring: These codes help national and international organizations track disease prevalence and research trends.


In other words, using the ICD-10 code for prostate cancer properly is essential if you’re in any role that handles patient data or billing.

How to Use the ICD-10 Code for Prostate Cancer in Real Life

Let’s get practical. Whether you’re a medical coder or just managing your health records, here’s how and when you’d use C61 in a healthcare setting.

1. During Diagnosis

When a physician confirms prostate cancer through a biopsy or imaging, they’ll enter C61 into the patient’s electronic health record. This triggers the correct workflow for care planning and insurance claims.

2. Medical Billing

Medical billers attach ICD-10 codes to every procedure submitted for insurance. If a patient is undergoing treatment for prostate cancer, like radiation, surgery, or hormone therapy, C61 must be attached to show why the service was provided.

3. Insurance Claims

Failing to include the right ICD-10 code could result in denied claims or payment delays. Using C61 helps streamline approvals and ensures the provider is reimbursed for services.

4. Referrals and Documentation

If a patient needs to be referred to an oncologist or urologist, the primary care provider includes the ICD-10 code for prostate cancer to indicate the reason for the visit. It also appears on lab orders and treatment plans.

5. Medical Research and Registry Data

Hospitals and research centers log diagnosis data using ICD codes. That means C61 is a key player in helping track how many men are diagnosed with prostate cancer each year, how treatments are progressing, and what regions are most affected.

Additional Codes to Know

Sometimes, C61 alone isn’t enough. Depending on the patient’s case, you might also see these related codes:

Z85.46 – Personal history of malignant neoplasm of the prostate


R97.2 – Elevated prostate-specific antigen (PSA)


Z12.5 – Encounter for screening for malignant neoplasm of prostate


Using these in conjunction with C61 helps give a fuller picture of the patient’s health status.

Common Mistakes to Avoid

Even though the ICD-10 code for prostate cancer seems simple, people often make mistakes when applying it. Here are a few to watch out for:

Using an outdated or non-specific code


Failing to update records after diagnosis confirmation


Confusing screening codes (like Z12.5) with diagnosis codes


Always double-check that you’re using C61 only when prostate cancer has been confirmed, not suspected or screened for.

FAQs About ICD-10 Code for Prostate Cancer

Q1: What does C61 stand for in ICD-10?

A1: C61 represents "Malignant neoplasm of prostate"—the official code used to document prostate cancer.

Q2: Is C61 used for both primary and secondary prostate cancer?

A2: C61 is only for primary prostate cancer. If the cancer spreads to another site, different codes are used to identify those secondary locations.

Q3: Can C61 be used for elevated PSA results?

A3: No, elevated PSA should be coded with R97.2. C61 is only appropriate if there is a confirmed cancer diagnosis.

Q4: How does this affect insurance claims?

A4: Accurate coding ensures timely claim approvals and reduces the risk of denials. Always include C61 when billing for prostate cancer-related treatments.

Q5: Are there different ICD-10 codes for various stages of prostate cancer?

A5: No, ICD-10 does not specify cancer stages. However, cancer registries and EHRs may include staging data in other fields outside the diagnosis code.

Conclusion: The Code That Keeps Everything Connected

So, what’s the takeaway here? The ICD 10 code for prostate cancer, or C61, might seem like a small string of characters, but it plays a big role in how care is delivered, billed, and understood in the medical world.

From confirming diagnoses to securing insurance coverage, this little code is key to connecting the dots across your entire healthcare journey. If you’re in the medical field—or navigating a prostate cancer diagnosis yourself—understanding how to use C61 correctly helps ensure accuracy, clarity, and better outcomes.