R03
Non-billableAbnormal blood-pressure reading, without diagnosis
R03 is the ICD-10-CM code for Abnormal blood-pressure reading, without diagnosis. It is a non-billable category code — use a more specific child code such as R03.0 for billing.
- Status
- Header (non-billable)
- Chapter
- R00-R99
- Subcodes
- 2
- Edition
- FY2026
R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
What this means — in plain language
MedlinePlus · NIHWhat is blood pressure? Blood pressure is the force of your blood pushing against the walls of your arteries. Each time your heart beats, it pumps blood into the arteries. Your blood pressure is highest when your heart beats, pumping the blood. This is called systolic pressure. When your heart is at rest, between beats, your blood pressure falls. This is called diastolic pressure. Your blood pressure reading uses…
Read more about High Blood Pressure at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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