Left first metacarpal base fracture icd 10 July 8, 2019 16 32 64 128 Icd 10 code for left first metacarpal base fracture Left 5th metacarpal neck fracture icd 10 Left fourth metacarpal shaft fracture icd 10 Metacarpal base fracture icd 10 Metacarpal fracture icd 9 Displaced fracture of base of first metacarpal bone icd 10