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ICD-10 Guide
ICD-10 CodesR03.1

R03.1

Nonspecific low blood-pressure reading

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 R03.1 is a billable code used to indicate a diagnosis of nonspecific low blood-pressure reading.

Key Diagnostic Point:

R03.1 is used to classify nonspecific low blood-pressure readings that do not correspond to a specific diagnosis. This code is applicable when a patient presents with a blood pressure reading that is lower than the normal range but does not meet the criteria for hypotension or other specific conditions. Low blood pressure can be a transient finding or indicative of underlying health issues such as dehydration, blood loss, or endocrine disorders. Clinicians often encounter this reading during routine examinations or in response to symptoms like dizziness, fainting, or fatigue. It is crucial to document the context in which the low reading was obtained, including the patient's position (sitting, standing, or lying down), any symptoms experienced, and any recent activities that may have influenced the reading. Accurate coding requires a thorough understanding of the patient's clinical picture and the potential implications of low blood pressure, as it may necessitate further investigation or intervention.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in blood pressure readings based on patient position and activity.
  • Need for comprehensive documentation to support the diagnosis.
  • Potential overlap with other codes related to hypotension.
  • Differentiation from other cardiovascular conditions.

Audit Risk Factors

  • Inadequate documentation of the clinical context for low blood pressure readings.
  • Failure to differentiate between transient and chronic low blood pressure.
  • Misuse of R03.1 when a more specific diagnosis is applicable.
  • Lack of follow-up documentation if low blood pressure is symptomatic.

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Document the patient's history, presenting symptoms, and any relevant lab findings. Include details about the patient's position during the reading and any medications that may affect blood pressure.

Common Clinical Scenarios

Patients presenting with fatigue, dizziness, or syncope during routine check-ups or follow-up visits.

Billing Considerations

Consider the patient's overall health status and any chronic conditions that may contribute to low blood pressure.

Emergency Medicine

Documentation Requirements

Thorough documentation of vital signs, patient symptoms, and any interventions performed. Note the time of the reading and any changes in the patient's condition.

Common Clinical Scenarios

Acute presentations of patients with trauma, dehydration, or shock.

Billing Considerations

Rapid assessment and documentation are critical in emergency settings to ensure appropriate coding and billing.

Coding Guidelines

Inclusion Criteria

Use R03.1 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code is used only when the low blood pressure reading is nonspecific and not attributable to a more specific diagnosis
  • Document the clinical context thoroughly

Exclusion Criteria

Do NOT use R03.1 When
No specific exclusions found.

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used when a patient presents for evaluation of low blood pressure.

Documentation Requirements

Document the patient's history, examination findings, and any management plans.

Specialty Considerations

Internal medicine providers should ensure comprehensive documentation to support the visit level.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions related to blood pressure, including nonspecific readings. This has improved the granularity of data collection and analysis, aiding in better patient management and outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions related to blood pressure, including nonspecific readings. This has improved the granularity of data collection and analysis, aiding in better patient management and outcomes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of conditions related to blood pressure, including nonspecific readings. This has improved the granularity of data collection and analysis, aiding in better patient management and outcomes.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

When should R03.1 be used?

R03.1 should be used when a patient presents with a nonspecific low blood pressure reading that does not correlate with a specific diagnosis or condition. It is essential to document the clinical context thoroughly.