R03 (Abnormal blood-pressure reading, without diagnosis) is an umbrella ICD-10-CM medical diagnosis code in the Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified chapter. It identifies cases of abnormal blood-pressure reading, without diagnosis for clinical documentation, billing a

ICD-10-CM · Category

R03 — Abnormal blood-pressure reading, without diagnosis

Chapter R00-R99: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

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Sub-codes under R03

R03.0Elevated blood-pressure reading, w/o diagnosis of htnR03.1Nonspecific low blood-pressure reading

Common questions about R03 (Abnormal blood-pressure reading, without diagnosis)

What does ICD-10 code R03 mean?
R03 is the ICD-10-CM 2025 code for Abnormal blood-pressure reading, without diagnosis. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is R03 a billable diagnosis code?
R03 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under R03. Browse the sub-codes listed on this page.
Which ICD-10 chapter does R03 belong to?
R03 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.
Where can I get plain-language information about Abnormal blood-pressure reading, without diagnosis?
For a plain-language explanation of Abnormal blood-pressure reading, without diagnosis, ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Abnormal blood-pressure reading, without diagnosis" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗