synonyms: SNAC wrist SNAC Wrist ICD-10 See all Scaphoid nonunion ICD-10 S62.032K Displaced fracture proximal third navicular [scaphoid] bone left wrist, subsequent fracture with nonunion S62.012K Displaced fracture distal pole navicular [scaphoid] bone left wrist, subsequent fracture with nonunion S62.022K Displaced fracture middle third navicular [scaphoid] bone left wrist, subsequent fracture with nonunion S62.031K Displaced fracture proximal third navicular [scaphoid] bone right wrist, subsequent fracture with nonunion S62.011K Displaced fracture distal pole navicular [scaphoid] bone right wrist, subsequent fracture with nonunion S62.021K Displaced fracture middle third navicular [scaphoid] bone right wrist, subsequent fracture with nonunion ICD-9 733.82(scaphoid nonunion) SNAC Classification / Treatment Stage I=beaking of radial styloid. Rx=radial styloidectomy with ORIF bone graft scaphoid Stage II=radioscaphoid joint arthrosis. Rx=distal pole excision vs PRC vs 4-bone fusion. Stage III=Arthrosis entended to capitolunate joint. RX=PRC vs fusion-Stage IV=pancarpal arthrosis. Rx=fusion SNAC Review References Weiss KE, Rodner CM. Osteoarthritis of the wrist. J Hand Surg Am. 2007 May-Jun;32(5):725-46. Shah CM, Stern PJ. Scapholunate advanced collapse (SLAC) and scaphoid nonunion advanced collapse (SNAC) wrist arthritis. Curr Rev Musculoskelet Med. 2013 Mar;6(1):9-17.
