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Q: Can someone have a metastatic tumor without having a primary cancer?

That’s goes back to the question, metastatic breast, that’s all they say in the documentation. So, what do we need to translate that is? How do we code that? The answer is “no.” A metastatic tumor is always caused by cancer cells from another part of the body. So, if you say “metastatic breast” then we know that that cancer came from someplace else, right? A metastatic tumor is always caused by cancer cells from another body part.

It goes on to say, when that metastatic tumor is found first, the primary cancer can also be found, because they’ll look under the microscope and they’ll say, “This is breast tissue, breast cells, cancer cells in the bone,” so the primary site would be the breast and the secondary site would be the bone.

Now, what if they haven’t determined from all of the tests what the primary is, but they know that the cells that are in the breast are not breast cells? They know it came from someplace else but they haven’t determined where. What do you do? So that’s a metastatic breast. They know because they looked at the cells, Pathology tells them it’s still a secondary cancer.

Metastatic Tumor Coding – Primary vs. Secondary Cancer Video

However, in some patients – this is underlined that’s why I want you to pay attention –a metastatic tumor is diagnosed but the primary tumor cannot be found, despite extensive tests. So, the pathologist knows that the diagnosed tumor, metastatic breast, is a secondary because of the organ or the tissue in which the tumor was found is not the same as the cells that are cancerous. That’s when you know to code it as a secondary. If I just saw documentation that said “metastatic breast” I would lean towards that being secondary.

Now, are you going to have more information? When you’re doing risk adjustment coding, most of the MA plans and stuff will allow you to look through the entire years’ worth of documentation to find out, only for cancer, a higher specificity. They don’t let you do that with other diagnoses.

But with cancer, when I worked for UHC, they did say that’s the only diagnosis that you can use other encounters to determine the encounter that you’re looking at what type of cancer or the highest specificity. Again, with risk adjustment rules changed; but when you have a diagnosis of metastatic cancer, I would start digging and snooping into the person’s chart and see if you can get to a higher specificity, but with just plain metastatic breast, I would say that’s secondary.

Related Metastatic Tumor Coding Posts:

Metastatic Tumor Coding - Primary vs. Secondary Cancer

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2016-11-20T23:36:44+00:00

About the Author:

AliciaScott-Instructor
Alicia has been working in the medical field for over 20 years. She first learned about medical coding while working in a medical records department at a resort town hospital near where she was raised. Through the years she has held several jobs in the medical field from, CNA, EMT, Pharmacy technician and Medial Records Abstractor and Analyst. Outside of the medical field she has worked as a Real Estate agent, and owned her own on-line retail business. The medical field has always been where she felt the most comfortable. Alicia has taught medical coding, billing and medical law and ethics at a private college. She also did contract work in HCC Risk Adjustment and discovered she really enjoyed ICD work. Because she loves to learn Alicia is working towards her Masters in Health Care Administration with an emphasis on education. Having taken many online classes through the years to complete her degree she feels very comfortable with both face to face and on-line learning. Alicia will tell you that not only does she love medical coding but she has a passion for teaching it. Alicia lives in the middle of Texas with her husband who is a Pastor, five of her six children, three dogs and two cats.

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