R03: Abnormal blood-pressure reading, without diagnosis
Codes under R03 (Abnormal blood-pressure reading, without diagnosis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| R03.0 | Elevated blood-pressure reading, without diagnosis of hypertension | ✓ |
| R03.0 | Elevated blood-pressure reading, without diagnosis of hypertension | ✓ |
| R03.1 | Nonspecific low blood-pressure reading | ✓ |
| R03.1 | Nonspecific low blood-pressure reading | ✓ |
Frequently asked questions
What is ICD-10-CM code R03?
R03 is an ICD-10-CM category covering Abnormal blood-pressure reading, without diagnosis. It contains 4 more specific diagnosis codes, 4 of which are billable.
Is R03 a billable code?
No — R03 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example R03.0 — Elevated blood-pressure reading, without diagnosis of hypertension). 4 of the 4 codes under R03 are billable.
What codes fall under R03?
R03 includes R03.0, R03.0, R03.1, R03.1. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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