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Nail Psoriasis Severity Index (NAPSI Brief)

Dermatology specialty tool

Bedside Tool Interface Configuration

Nail Psoriasis Severity Index (NAPSI) evaluates nail matrix and bed psoriasis across target nails.

Algorithm Checklist Parameters:
  • 1. Nail Matrix Signs (Pitting, leukonychia, red spots in lunula, nail plate crumbling) present in how many quadrants (0 to 4)?
  • 2. Nail Bed Signs (Onycholysis, splinter hemorrhages, oil drop discolorations, subungual hyperkeratosis) present in how many quadrants (0 to 4)?

Primary Clinical Application:

Objectively tracking psoriasis dystrophy of nails under targeted topical or systemic biologic regimens.