1 J68.3 is a billable ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 2  Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
Scientists believe that chickens evolved from the red jungle-fowl,  which, in turn, evolved from the more bird-like dinosaurs. Birds  seem to have originally been what is ca â¦ lled theropod dinosaurs,  in fact, and fossil evidence does show a relationship between birds  and these bird-like dinosaurs.hickens (Gallus domesticus) are known to be descendants of the famous Archaeopteryx from the Jurassic period.
The hunt for the ancestors of living birds began with a specimen of Archaeopteryx, the first known bird, discovered in the early 1860s. Like birds, it had feathers along its arms and tail, but unlike living birds, it also had teeth and a long bony tail.