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v1.0.0
ICD-10 Guide
ICD-10 CodesR57.9

R57.9

Shock, unspecified

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

Code Description

ICD-10 R57.9 is a billable code used to indicate a diagnosis of shock, unspecified.

Key Diagnostic Point:

Shock is a critical condition characterized by inadequate perfusion of tissues, leading to cellular dysfunction and potential organ failure. The unspecified nature of this code indicates that the exact cause of shock is not clearly defined at the time of diagnosis. Symptoms may include hypotension, tachycardia, altered mental status, cold and clammy skin, and decreased urine output. Laboratory findings may reveal metabolic acidosis, elevated lactate levels, and electrolyte imbalances. Common causes of shock include hypovolemic shock due to fluid loss, cardiogenic shock from heart failure, obstructive shock from pulmonary embolism, and distributive shock such as septic shock. The diagnostic approach typically involves a thorough clinical assessment, vital sign monitoring, laboratory tests, and imaging studies to identify the underlying cause. Accurate documentation is crucial to ensure appropriate management and coding.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of potential underlying causes
  • Need for comprehensive clinical assessment
  • Differentiation from other types of shock
  • Potential for rapid clinical deterioration

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Failure to specify the type of shock when known
  • Misclassification of shock type
  • Lack of supporting lab results

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed history and physical examination, including vital signs and lab results.

Common Clinical Scenarios

Patients presenting with hypotension and altered mental status in a hospital setting.

Billing Considerations

Ensure that the underlying cause of shock is documented, as this may affect treatment and coding.

Emergency Medicine

Documentation Requirements

Rapid assessment documentation, including initial vital signs, interventions, and response.

Common Clinical Scenarios

Acute presentations of shock due to trauma, sepsis, or anaphylaxis.

Billing Considerations

Document the time of onset and any immediate treatments provided to support the diagnosis.

Coding Guidelines

Inclusion Criteria

Use R57.9 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the diagnosis is supported by clinical documentation
  • Use R57
  • 9 when the specific type of shock is not documented or cannot be determined

Exclusion Criteria

Do NOT use R57.9 When
No specific exclusions found.

Related CPT Codes

99285CPT Code

Emergency department visit, high severity

Clinical Scenario

Used for patients presenting with shock requiring immediate intervention.

Documentation Requirements

Document the severity of the condition, interventions performed, and response to treatment.

Specialty Considerations

Emergency medicine documentation must reflect the urgency and complexity of care.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of shock types, but R57.9 remains a necessary code for cases where the cause is not immediately identifiable. Coders must be diligent in documenting the clinical context to support the use of this code.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of shock types, but R57.9 remains a necessary code for cases where the cause is not immediately identifiable. Coders must be diligent in documenting the clinical context to support the use of this code.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of shock types, but R57.9 remains a necessary code for cases where the cause is not immediately identifiable. Coders must be diligent in documenting the clinical context to support the use of this code.

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 R57.9 be used?

R57.9 should be used when a patient presents with shock and the specific cause is not documented or cannot be determined at the time of diagnosis.

What documentation is required to support the use of R57.9?

Documentation should include clinical findings, vital signs, lab results, and any treatments provided to stabilize the patient.