R03.1

ICD-10Billable

Nonspecific low blood-pressure reading

Official ICD-10-CM descriptor (FY2026)

Nonspecific low blood-pressure reading

R03.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

hypotension (I95.-)
maternal hypotension syndrome (O26.5-)
neurogenic orthostatic hypotension (G90.3)

Related codes in R03

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

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.