S12.031S

Nondisplaced posterior arch fracture of first cervical vertebra, initial encounter for closed fracture

Nondisplaced posterior arch fracture of first cervical vertebra, initial encounter for open fracture

Nondisplaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with routine healing

Nondisplaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with delayed healing

Nondisplaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with nonunion