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 eggs of birds, animals that arose some 100 million years later, are a refined version of this reproductive adaptation to life on land. Eggs, then, are millions of years older than birds. Gallus domesticus, the chicken more or less as we know it, is only a scant 4 or 5 thousand years old..