All ICD10 Codes

R03

Non-Billable
ChapterR00–R99
Rankcategory
Official Description

Abnormal blood-pressure reading, without diagnosis

Use a more specific code (2 billable)
R03.0Elevated blood-pressure reading, without diagnosis of hypertensionR03.1Nonspecific low blood-pressure reading
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

CH18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R00-R09Symptoms and signs involving the circulatory and respiratory systems (R00-R09)
R03Abnormal blood-pressure reading, without diagnosisNot billable
R03.0Elevated blood-pressure reading, without diagnosis of hypertensionBillable
R03.1Nonspecific low blood-pressure readingBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R03:

chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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