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v1.0.0
ICD-10 Guide
ICD-10 CodesR29.706

R29.706

NIHSS score 6

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

Code Description

ICD-10 R29.706 is a billable code used to indicate a diagnosis of nihss score 6.

Key Diagnostic Point:

The NIHSS (National Institutes of Health Stroke Scale) score of 6 indicates a moderate stroke severity, reflecting a range of neurological deficits. Patients scoring 6 may exhibit symptoms such as mild to moderate weakness in one limb, slight facial droop, and some degree of aphasia or difficulty with language comprehension. The NIHSS is a critical tool used to assess the severity of a stroke and guide treatment decisions. A score of 6 suggests that the patient has significant neurological impairment but is not in the most severe category. Common causes of such a score include ischemic strokes, hemorrhagic strokes, or transient ischemic attacks (TIAs). The clinical context surrounding a score of 6 often involves a patient presenting with sudden onset of neurological symptoms, necessitating immediate evaluation and intervention. Accurate documentation of the patient's neurological status, including specific deficits and their impact on daily functioning, is essential for coding and treatment planning.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation of stroke symptoms
  • Need for precise documentation of neurological deficits
  • Differentiation between stroke types (ischemic vs. hemorrhagic)
  • Potential for overlapping symptoms with other neurological conditions

Audit Risk Factors

  • Inadequate documentation of NIHSS score and clinical findings
  • Failure to specify the type of stroke (ischemic vs. hemorrhagic)
  • Misinterpretation of NIHSS scores leading to incorrect coding
  • Lack of clarity in the patient's functional status post-stroke

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed documentation of neurological assessments, including NIHSS scores and specific deficits observed.

Common Clinical Scenarios

Patients presenting with stroke symptoms in an outpatient or inpatient setting, requiring comprehensive evaluation.

Billing Considerations

Consideration of comorbidities that may affect stroke presentation and recovery.

Emergency Medicine

Documentation Requirements

Immediate and thorough documentation of NIHSS score upon patient arrival, including vital signs and initial neurological assessment.

Common Clinical Scenarios

Acute stroke presentations requiring rapid intervention and assessment.

Billing Considerations

Timeliness of documentation is critical; ensure that all findings are recorded promptly to support coding.

Coding Guidelines

Inclusion Criteria

Use R29.706 When
  • Follow official ICD
  • CM coding guidelines, ensuring that the NIHSS score is documented accurately and correlates with the clinical findings
  • Use additional codes to specify the type of stroke when applicable

Exclusion Criteria

Do NOT use R29.706 When
No specific exclusions found.

Related CPT Codes

99285CPT Code

Emergency department visit, high severity

Clinical Scenario

Used when a patient with a NIHSS score of 6 presents to the emergency department.

Documentation Requirements

Document the patient's presenting symptoms, NIHSS score, and any interventions performed.

Specialty Considerations

Emergency medicine providers must ensure timely documentation to support the level of service billed.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of stroke severity and associated symptoms, improving the accuracy of clinical data and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of stroke severity and associated symptoms, improving the accuracy of clinical data and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    NIHSS Training and Resources

Coding & Billing References

  • •
    NIHSS Training and Resources

Frequently Asked Questions

What does an NIHSS score of 6 indicate?

An NIHSS score of 6 indicates moderate stroke severity, with specific neurological deficits that require prompt evaluation and treatment.