R03.0

ICD-10Billable

Elevated blood-pressure reading, w/o diagnosis of htn

Official ICD-10-CM descriptor (FY2026)

Elevated blood-pressure reading, without diagnosis of hypertension

R03.0 is valid for submission on a claim — CMS flags it as a billable, specific code.

Notes

This category is to be used to record an episode of elevated blood pressure in a patient in whom no formal diagnosis of hypertension has been made, or as an isolated incidental finding.

Related codes in R03

R03.1Nonspecific low blood-pressure reading

Where this code sits

Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block: Symptoms and signs involving the circulatory and respiratory systems (R00-R09)
Parent code: R03

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.