Blast injuries may be classified as follows, with higher numbers indicating a more severe injury and greater likelihood of early complications and poor end result, regardless of treatment.
| Blast Injuries of the Hand | |
| I | Distal Phalanx or Soft Tissue Only |
| II | Flexor Tendon Zone II Fracture or Web Space Laceration |
| III | Zone II Amp / Degloved / Devascularized or Tendon Injury |
| IV | Carpal or Metacarpal Fracture / Dislocation / Amputation |
Blast Injury Classification: Chang, B, Falco, N, Kasabian, A, Grossman, J. Firecracker injuries of the hand. (poster) AAHS, 1/95.