Free NDI Score Test

Neck Disability Index (NDI) Calculator

This clinical questionnaire measures how neck pain affects your ability to manage everyday activities. Please select the single response in each section that best describes your situation today.

Progress 0 of 10 completed
Section 1 Pain Intensity
Section 2 Personal Care (Washing, Dressing, etc.)
Section 3 Lifting
Section 4 Reading
Section 5 Headaches
Section 6 Concentration
Section 7 Work
Section 8 Driving
Section 9 Sleeping
Section 10 Recreation

Your NDI Score Summary

Raw Points
0 / 50
Percentage Score
0%
No Disability

Please complete the questionnaire above to receive a full assessment of your neck functional disability level based on US clinical physical therapy guidelines.

Clinical Disclaimer: The Neck Disability Index (NDI) is a standardized clinical assessment tool widely utilized in physical therapy, chiropractic, and orthopedic practices across the United States. This online calculator is provided purely for educational and self-assessment purposes. It is not intended to diagnose medical conditions or replace formal medical evaluation. If you are experiencing persistent neck pain, numbness, tingling, or weakness, please consult a licensed healthcare professional or physical therapist.

Understanding Your Results

Once you complete the assessment, your percentage score places you into one of five functional disability categories:

NDI Score (%)Raw Score (out of 50)Disability CategoryClinical Interpretation
0% – 8%0 – 4No DisabilityMild discomfort may be present, but daily function and activities of daily living (ADLs) remain unaffected.
10% – 28%5 – 14Mild DisabilityYou can manage most daily activities independently, though certain tasks may cause mild strain or require extra effort.
30% – 48%15 – 24Moderate DisabilityPain significantly interferes with daily activities such as driving, reading, working, or sleeping. Physical therapy is often recommended.
50% – 68%25 – 34Severe DisabilityNeck symptoms pervade almost all areas of daily life. Work and recreational tasks are restricted. Medical evaluation is advisable.
70% – 100%35 – 50Complete / Severe DisabilitySevere functional limitation or bed-bound state. Immediate consultation with a healthcare provider or spine specialist is strongly encouraged.