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.
There really is no good way to accurately determine the age of a chicken. In general, from hatch to feathering takes up to 12 weeks. First eggs are laid at about 5 months. First molt (the lose and change feathers) takes place at about 12 to 14 months old depending on the breed. Egg production stops about three years old and from there the chicken can live up to 10 years old.