ICD-10-CM · Chapter 18 · R00-R99

R03 Abnormal blood-pressure reading, without diagnosis

Category / Non-billable header 2 subcodes

Block: Symptoms and signs involving the circulatory and respiratory systems (R00-R09)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code	Description	Billable
R03..0	Elevated blood-pressure reading, without diagnosis of hypertension	Yes
R03..1	Nonspecific low blood-pressure reading	Yes

Last reviewed: September 2026