R03.0 — Elevated blood-pressure reading, without diagnosis of hypertension

R03.0

ICD-10 Chapter 18: Symptoms, Signs & Abnormal Findings — illustrative image — Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99) — illustrative image

What this code means

An elevated blood-pressure reading recorded at a visit, in a person who has not been diagnosed with hypertension.

Also called: elevated blood pressure reading, raised bp without diagnosis.

When this code is used

Used for elevated blood-pressure reading, without diagnosis of hypertension.

Where it sits in ICD-10-CM

Code R03.0 belongs to Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified, which covers codes R00–R99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

Learn more about this condition

Condition guide: Hypertension

Frequently asked questions

What is ICD-10-CM code R03.0?

R03.0 is the ICD-10-CM diagnosis code for “Elevated blood-pressure reading, without diagnosis of hypertension”. An elevated blood-pressure reading recorded at a visit, in a person who has not been diagnosed with hypertension.

When is code R03.0 used?

Used for elevated blood-pressure reading, without diagnosis of hypertension. It belongs to Chapter 18 of ICD-10-CM (Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.