R03.1 – Nonspecific low blood-pressure reading

ICD-10-CM 2027 diagnosis code · Symptoms and signs involving the circulatory and respiratory systems

Billable code

ICD-10-CM code R03.1

Code: R03.1 (claims format: R031)
Description: Nonspecific low blood-pressure reading
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block: R00-R09 Symptoms and signs involving the circulatory and respiratory systems
Parent codes: R03

Notes for R03.1

Excludes1 (not coded here):

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

Index terms for R03.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in R03

R03.0 – Elevated blood-pressure reading, without diagnosis of hypertensionBillable

Frequently asked questions

What is ICD-10 code R03.1?

R03.1 is the ICD-10-CM code for nonspecific low blood-pressure reading, in the block R00-R09 (Symptoms and signs involving the circulatory and respiratory systems).

Is R03.1 a billable code?

Yes. R03.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does R03.1 belong to?

It belongs to category R03 – Abnormal blood-pressure reading, without diagnosis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.