R03.0 — Elevated blood-pressure reading, w/o diagnosis of htn

R03.0 is the ICD-10-CM 2025 code for Elevated blood-pressure reading, w/o diagnosis of htn. Elevated blood-pressure reading, without diagnosis of hypertension. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.

Yes, R03.0 is a billable / specific ICD-10-CM code, meaning it can be used by clinicians and hospitals as a primary or secondary diagnosis on claims and electronic health records.

R03.0 belongs to the chapter "Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified" (codes R00-R99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.

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