R97.0
BillableElevated carcinoembryonic antigen [CEA]
R97.0 is the ICD-10-CM code for Elevated carcinoembryonic antigen [CEA]. It is a billable, specific code valid for reimbursement.
R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
What this means — in plain language
MedlinePlus · NIHWhat is a CEA test? CEA stands for carcinoembryonic antigen. CEA is a protein that is a type of " tumor marker ." Tumor markers are substances that are often made by cancer cells or by normal cells in response to cancer. High levels of CEA are normal in healthy, unborn babies. After birth, CEA levels become very low or disappear completely. So, healthy adults should have little or no CEA in their bodies. Cancers…
Read more about CEA Test at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
- What is ICD-10 code R97.0?
- R97.0 is the ICD-10-CM code for "Elevated carcinoembryonic antigen [CEA]". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Is R97.0 a billable code?
- Yes — R97.0 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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