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Orthopaedics · Neurology · Rheumatology · Primary Care

CTS-6 Clinical Diagnosis of Carpal Tunnel Syndrome calculator

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CTS-6 <12: clinical diagnosis not supported

Band: CTS-6 <12: clinical diagnosis not supported

Interpretation. CTS-6 <12: clinical diagnosis not supported

Suggested management. A weighted total below 12 does not support a clinical diagnosis of carpal tunnel syndrome; consider other causes or electrodiagnostic testing if suspicion remains.

CTS-6 Clinical Diagnosis of Carpal Tunnel Syndrome: 0 — CTS-6 <12: clinical diagnosis not supported. Interpretation: CTS-6 <12: clinical diagnosis not supported What to do: A weighted total below 12 does not support a clinical diagnosis of carpal tunnel syndrome; consider other causes or electrodiagnostic testing if suspicion remains. Inputs: Numbness predominantly in the median nerve territory: false; Nocturnal numbness: false; Thenar atrophy and/or weakness: false; Positive Phalen test: false; Positive Tinel sign: false; Loss of two-point discrimination: false Source: Graham B. The value added by electrodiagnostic testing in the diagnosis of carpal tunnel syndrome. J Bone Joint Surg Am. DOI: 10.2106/JBJS.G.01362. PMID: 19047703. Scope: CTS-6 weighted clinical criteria (numbness 3.5, nocturnal symptoms 4, thenar atrophy/weakness 5, Phalen 5, Tinel 4, 2-point discrimination loss 4.5); total ≥12 supports clinical CTS. (2008)

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Clinical inputs

  • Numbness predominantly in the median nerve territory
  • Nocturnal numbness
  • Thenar atrophy and/or weakness
  • Positive Phalen test
  • Positive Tinel sign
  • Loss of two-point discrimination

Primary source

Graham B. The value added by electrodiagnostic testing in the diagnosis of carpal tunnel syndrome. J Bone Joint Surg Am. DOI: 10.2106/JBJS.G.01362. PMID: 19047703. Scope: CTS-6 weighted clinical criteria (numbness 3.5, nocturnal symptoms 4, thenar atrophy/weakness 5, Phalen 5, Tinel 4, 2-point discrimination loss 4.5); total ≥12 supports clinical CTS. (2008)

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